Physical Review: Atomic and molecular processes in strong laser fields http://publish.aps.org/ Atomic and molecular processes in strong laser fields articles published in Physical Review Journals hourly 1 2012-02-09T11:06:08-05:00 rss@aps.org assocpub@aps.org 2012-02-09T11:06:08-05:00 en Copyright © 2012 the American Physical Society. Personal use only, all commercial or other reuse prohibited Copyright © 2012 the American Physical Society assocpub@aps.org Proposal for isolated-attosecond-pulse generation in the multicycle regime through modulation of the carrier wave http://link.aps.org/doi/10.1103/PhysRevA.85.023808 Author(s): Yang Xiang, Yueping Niu, and Shangqing Gong<br/><p>An intuitive physical mechanism for isolated-attosecond-pulse generation in a multicycle pulse regime is proposed. We suggest that the continuum spectra of the high-order harmonics can be controlled through the modulation of carrier wave, while keeping the multicycle envelope unchanged approximately...</p><br/>[Phys. Rev. A 85, 023808] Published Thu Feb 09, 2012 Author(s): Yang Xiang, Yueping Niu, and Shangqing Gong

An intuitive physical mechanism for isolated-attosecond-pulse generation in a multicycle pulse regime is proposed. We suggest that the continuum spectra of the high-order harmonics can be controlled through the modulation of carrier wave, while keeping the multicycle envelope unchanged approximately...

[Phys. Rev. A 85, 023808] Published Thu Feb 09, 2012

]]> Proposal for isolated-attosecond-pulse generation in the multicycle regime through modulation of the carrier wave Yang Xiang, Yueping Niu, and Shangqing Gong 2012-02-09T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.023808 Phys. Rev. A 85, 023808 (2012) article Physical Review A 85 2 2012-02-09T10:00:00-05:00 10.1103/PhysRevA.85.023808 http://link.aps.org/doi/10.1103/PhysRevA.85.023808 023808 Quantum optics, physics of lasers, nonlinear optics, classical optics Quantum optics, physics of lasers, nonlinear optics, classical optics Mechanism of Delayed Double Ionization in a Strong Laser Field http://link.aps.org/doi/10.1103/PhysRevLett.108.063001 Author(s): F. Mauger, A. Kamor, C. Chandre, and T. Uzer<br/><p>When intense laser pulses release electrons nonsequentially, the time delay between the last recollision and the subsequent ionization may last longer than what is expected from a direct impact scenario [recollision excitation with subsequent ionization (RESI)]. We show that the resulting delayed io...</p><br/>[Phys. Rev. Lett. 108, 063001] Published Tue Feb 07, 2012 Author(s): F. Mauger, A. Kamor, C. Chandre, and T. Uzer

When intense laser pulses release electrons nonsequentially, the time delay between the last recollision and the subsequent ionization may last longer than what is expected from a direct impact scenario [recollision excitation with subsequent ionization (RESI)]. We show that the resulting delayed io...

[Phys. Rev. Lett. 108, 063001] Published Tue Feb 07, 2012

]]> Mechanism of Delayed Double Ionization in a Strong Laser Field F. Mauger, A. Kamor, C. Chandre, and T. Uzer 2012-02-07T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.063001 Phys. Rev. Lett. 108, 063001 (2012) article Physical Review Letters 108 6 2012-02-07T10:00:00-05:00 10.1103/PhysRevLett.108.063001 http://link.aps.org/doi/10.1103/PhysRevLett.108.063001 063001 Atomic, Molecular, and Optical Physics Atomic, Molecular, and Optical Physics Ionization of coherent excitons by strong terahertz fields http://link.aps.org/doi/10.1103/PhysRevB.85.075307 Author(s): B. Ewers, N. S. Köster, R. Woscholski, M. Koch, S. Chatterjee, G. Khitrova, H. M. Gibbs, A. C. Klettke, M. Kira, and S. W. Koch<br/><p>The interaction of coherent excitons with intense, single-cycle terahertz (THz) pulses is investigated. A significant bleaching of the 1<span><span style="font-style: italic;">s</span></span>-exciton resonance develops into a splitting of the absorption peak and the emergence of pronounced wings with increasing THz field strength. A quantum-mechanical ...</p><br/>[Phys. Rev. B 85, 075307] Published Mon Feb 06, 2012 Author(s): B. Ewers, N. S. Köster, R. Woscholski, M. Koch, S. Chatterjee, G. Khitrova, H. M. Gibbs, A. C. Klettke, M. Kira, and S. W. Koch

The interaction of coherent excitons with intense, single-cycle terahertz (THz) pulses is investigated. A significant bleaching of the 1s-exciton resonance develops into a splitting of the absorption peak and the emergence of pronounced wings with increasing THz field strength. A quantum-mechanical ...

[Phys. Rev. B 85, 075307] Published Mon Feb 06, 2012

]]> Ionization of coherent excitons by strong terahertz fields B. Ewers, N. S. Köster, R. Woscholski, M. Koch, S. Chatterjee, G. Khitrova, H. M. Gibbs, A. C. Klettke, M. Kira, and S. W. Koch 2012-02-06T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevB.85.075307 Phys. Rev. B 85, 075307 (2012) article Physical Review B 85 7 2012-02-06T10:00:00-05:00 10.1103/PhysRevB.85.075307 http://link.aps.org/doi/10.1103/PhysRevB.85.075307 075307 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics Frequency-domain theory of nonsequential double ionization in intense laser fields based on nonperturbative QED http://link.aps.org/doi/10.1103/PhysRevA.85.023402 Author(s): Bingbing Wang, Yingchun Guo, Jing Chen, Zong-Chao Yan, and Panming Fu<br/><p>We study nonsequential double ionization (NSDI) processes of an atom by applying the frequency-domain theory based on the nonperturbative quantum electrodynamics. We obtain the transition formulas that describe the NSDI processes caused by the collision ionization (CI) and the collision-excitation i...</p><br/>[Phys. Rev. A 85, 023402] Published Thu Feb 02, 2012 Author(s): Bingbing Wang, Yingchun Guo, Jing Chen, Zong-Chao Yan, and Panming Fu

We study nonsequential double ionization (NSDI) processes of an atom by applying the frequency-domain theory based on the nonperturbative quantum electrodynamics. We obtain the transition formulas that describe the NSDI processes caused by the collision ionization (CI) and the collision-excitation i...

[Phys. Rev. A 85, 023402] Published Thu Feb 02, 2012

]]> Frequency-domain theory of nonsequential double ionization in intense laser fields based on nonperturbative QED Bingbing Wang, Yingchun Guo, Jing Chen, Zong-Chao Yan, and Panming Fu 2012-02-02T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.023402 Phys. Rev. A 85, 023402 (2012) article Physical Review A 85 2 2012-02-02T10:00:00-05:00 10.1103/PhysRevA.85.023402 http://link.aps.org/doi/10.1103/PhysRevA.85.023402 023402 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Time-dependent density functional theory for strong electromagnetic fields in crystalline solids http://link.aps.org/doi/10.1103/PhysRevB.85.045134 Author(s): K. Yabana, T. Sugiyama, Y. Shinohara, T. Otobe, and G. F. Bertsch<br/><p>We apply the coupled dynamics of time-dependent density functional theory and Maxwell equations to the interaction of intense laser pulses with crystalline silicon. As a function of electromagnetic field intensity, we see several regions in the response. At the lowest intensities, the pulse is refle...</p><br/>[Phys. Rev. B 85, 045134] Published Tue Jan 31, 2012 Author(s): K. Yabana, T. Sugiyama, Y. Shinohara, T. Otobe, and G. F. Bertsch

We apply the coupled dynamics of time-dependent density functional theory and Maxwell equations to the interaction of intense laser pulses with crystalline silicon. As a function of electromagnetic field intensity, we see several regions in the response. At the lowest intensities, the pulse is refle...

[Phys. Rev. B 85, 045134] Published Tue Jan 31, 2012

]]> Time-dependent density functional theory for strong electromagnetic fields in crystalline solids K. Yabana, T. Sugiyama, Y. Shinohara, T. Otobe, and G. F. Bertsch 2012-01-31T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevB.85.045134 Phys. Rev. B 85, 045134 (2012) article Physical Review B 85 4 2012-01-31T10:00:00-05:00 10.1103/PhysRevB.85.045134 http://link.aps.org/doi/10.1103/PhysRevB.85.045134 045134 Electronic structure and strongly correlated systems Electronic structure and strongly correlated systems Exploring above-threshold ionization of hydrogen in an intense x-ray laser field through nonperturbative calculations http://link.aps.org/doi/10.1103/PhysRevA.85.013423 Author(s): M. Dondera and H. Bachau<br/><p>This paper addresses the problem of above-threshold ionization (ATI) of hydrogen interacting with a short and intense x-ray electromagnetic field. We consider the weakly relativistic regime where the speed of the photoelectron stays well below the velocity of the light <span><span style="font-style: italic;">c</span></span>. We solve the time-dependent...</p><br/>[Phys. Rev. A 85, 013423] Published Tue Jan 31, 2012 Author(s): M. Dondera and H. Bachau

This paper addresses the problem of above-threshold ionization (ATI) of hydrogen interacting with a short and intense x-ray electromagnetic field. We consider the weakly relativistic regime where the speed of the photoelectron stays well below the velocity of the light c. We solve the time-dependent...

[Phys. Rev. A 85, 013423] Published Tue Jan 31, 2012

]]> Exploring above-threshold ionization of hydrogen in an intense x-ray laser field through nonperturbative calculations M. Dondera and H. Bachau 2012-01-31T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013423 Phys. Rev. A 85, 013423 (2012) article Physical Review A 85 1 2012-01-31T10:00:00-05:00 10.1103/PhysRevA.85.013423 http://link.aps.org/doi/10.1103/PhysRevA.85.013423 013423 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses One-photon double ionization of helium: A heuristic formula for the cross section http://link.aps.org/doi/10.1103/PhysRevA.85.013420 Author(s): Morten Førre<br/><p>Without a formal derivation, we propose a formula for the total and single-differential cross sections in the problem of one-photon double ionization of an atom. The formula is benchmarked against accurate experimental data for the total cross section of helium. Furthermore, a direct comparison with...</p><br/>[Phys. Rev. A 85, 013420] Published Tue Jan 31, 2012 Author(s): Morten Førre

Without a formal derivation, we propose a formula for the total and single-differential cross sections in the problem of one-photon double ionization of an atom. The formula is benchmarked against accurate experimental data for the total cross section of helium. Furthermore, a direct comparison with...

[Phys. Rev. A 85, 013420] Published Tue Jan 31, 2012

]]> One-photon double ionization of helium: A heuristic formula for the cross section Morten Førre 2012-01-31T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013420 Phys. Rev. A 85, 013420 (2012) article Physical Review A 85 1 2012-01-31T10:00:00-05:00 10.1103/PhysRevA.85.013420 http://link.aps.org/doi/10.1103/PhysRevA.85.013420 013420 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Wave functions associated with time-dependent, complex-scaled Hamiltonians evaluated on a complex time grid http://link.aps.org/doi/10.1103/PhysRevA.85.013419 Author(s): Jakob Bengtsson, Eva Lindroth, and Sølve Selstø<br/><p>We solve the time-dependent Schrödinger equation with the method of uniform complex scaling and investigate the possibility to evaluate the solution on a complex time grid. With this approach it is possible to calculate properties that relate directly to the continuum part of the complex scaled wave...</p><br/>[Phys. Rev. A 85, 013419] Published Mon Jan 30, 2012 Author(s): Jakob Bengtsson, Eva Lindroth, and Sølve Selstø

We solve the time-dependent Schrödinger equation with the method of uniform complex scaling and investigate the possibility to evaluate the solution on a complex time grid. With this approach it is possible to calculate properties that relate directly to the continuum part of the complex scaled wave...

[Phys. Rev. A 85, 013419] Published Mon Jan 30, 2012

]]> Wave functions associated with time-dependent, complex-scaled Hamiltonians evaluated on a complex time grid Jakob Bengtsson, Eva Lindroth, and Sølve Selstø 2012-01-30T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013419 Phys. Rev. A 85, 013419 (2012) article Physical Review A 85 1 2012-01-30T10:00:00-05:00 10.1103/PhysRevA.85.013419 http://link.aps.org/doi/10.1103/PhysRevA.85.013419 013419 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Generation of a broadband xuv continuum in high-order-harmonic generation by spatially inhomogeneous fields http://link.aps.org/doi/10.1103/PhysRevA.85.013416 Author(s): I. Yavuz, E. A. Bleda, Z. Altun, and T. Topcu<br/><p>We address an efficient scheme to generate a broadband extreme-ultraviolet (xuv) continuum from high-order harmonic generation emerging from the concept of plasmonic field enhancement in the vicinity of metallic nanostructures [ Kim <span style="font-style: italic;">et al.</span> <a href="http://dx.doi.org/10.1038/nature07012"> Nature (London) <span style="font-weight: bold;">453</span> 757 (2008)</a>]. Based on the numerical sol...</p><br/>[Phys. Rev. A 85, 013416] Published Fri Jan 27, 2012 Author(s): I. Yavuz, E. A. Bleda, Z. Altun, and T. Topcu

We address an efficient scheme to generate a broadband extreme-ultraviolet (xuv) continuum from high-order harmonic generation emerging from the concept of plasmonic field enhancement in the vicinity of metallic nanostructures [ Kim et al. Nature (London) 453 757 (2008)]. Based on the numerical sol...

[Phys. Rev. A 85, 013416] Published Fri Jan 27, 2012

]]> Generation of a broadband xuv continuum in high-order-harmonic generation by spatially inhomogeneous fields I. Yavuz, E. A. Bleda, Z. Altun, and T. Topcu 2012-01-27T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013416 Phys. Rev. A 85, 013416 (2012) article Physical Review A 85 1 2012-01-27T10:00:00-05:00 10.1103/PhysRevA.85.013416 http://link.aps.org/doi/10.1103/PhysRevA.85.013416 013416 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Nonadiabatic atomic ionization by intense subcycle laser pulses http://link.aps.org/doi/10.1103/PhysRevA.85.013417 Author(s): Jian Zheng, Enming Qiu, Yingchun Yang, and Qiang Lin<br/><p>The atomic photoionization by a subcycle linearly polarized laser pulse is studied with numerical solutions of the time-dependent Schrödinger equation for a hydrogenlike atom. In this regime, the presumption for the adiabatic ionization theories that atoms are ionized directly from an initial bound ...</p><br/>[Phys. Rev. A 85, 013417] Published Fri Jan 27, 2012 Author(s): Jian Zheng, Enming Qiu, Yingchun Yang, and Qiang Lin

The atomic photoionization by a subcycle linearly polarized laser pulse is studied with numerical solutions of the time-dependent Schrödinger equation for a hydrogenlike atom. In this regime, the presumption for the adiabatic ionization theories that atoms are ionized directly from an initial bound ...

[Phys. Rev. A 85, 013417] Published Fri Jan 27, 2012

]]> Nonadiabatic atomic ionization by intense subcycle laser pulses Jian Zheng, Enming Qiu, Yingchun Yang, and Qiang Lin 2012-01-27T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013417 Phys. Rev. A 85, 013417 (2012) article Physical Review A 85 1 2012-01-27T10:00:00-05:00 10.1103/PhysRevA.85.013417 http://link.aps.org/doi/10.1103/PhysRevA.85.013417 013417 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Control of the polarization of isolated attosecond pulses in atoms with nonvanishing angular quantum number http://link.aps.org/doi/10.1103/PhysRevA.85.013418 Author(s): Candong Liu and Mauro Nisoli<br/><p>High-order harmonic generation in the model hydrogenlike system He<span><sup>+</sup></span> prepared in an initial 2<span><span style="font-style: italic;">p</span><sub>0</sub></span> state with nonvanishing angular quantum number is investigated by numerically solving the fully three-dimensional time-dependent Schrödinger equation. It is found that isolated attosecond pulses with ellip...</p><br/>[Phys. Rev. A 85, 013418] Published Fri Jan 27, 2012 Author(s): Candong Liu and Mauro Nisoli

High-order harmonic generation in the model hydrogenlike system He+ prepared in an initial 2p0 state with nonvanishing angular quantum number is investigated by numerically solving the fully three-dimensional time-dependent Schrödinger equation. It is found that isolated attosecond pulses with ellip...

[Phys. Rev. A 85, 013418] Published Fri Jan 27, 2012

]]> Control of the polarization of isolated attosecond pulses in atoms with nonvanishing angular quantum number Candong Liu and Mauro Nisoli 2012-01-27T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013418 Phys. Rev. A 85, 013418 (2012) article Physical Review A 85 1 2012-01-27T10:00:00-05:00 10.1103/PhysRevA.85.013418 http://link.aps.org/doi/10.1103/PhysRevA.85.013418 013418 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Strong-field adiabatic passage in the continuum: Electromagnetically induced transparency and stimulated Raman adiabatic passage http://link.aps.org/doi/10.1103/PhysRevA.85.012520 Author(s): A. Eilam and M. Shapiro<br/><p>We present a fully quantum-mechanical theory of the mutual light-matter effects when two laser pulses interact with three discrete states coupled to a (quasi)continuum. Our formulation uses a single set of equations to describe the time dependence of the discrete and continuum populations, as well a...</p><br/>[Phys. Rev. A 85, 012520] Published Fri Jan 27, 2012 Author(s): A. Eilam and M. Shapiro

We present a fully quantum-mechanical theory of the mutual light-matter effects when two laser pulses interact with three discrete states coupled to a (quasi)continuum. Our formulation uses a single set of equations to describe the time dependence of the discrete and continuum populations, as well a...

[Phys. Rev. A 85, 012520] Published Fri Jan 27, 2012

]]> Strong-field adiabatic passage in the continuum: Electromagnetically induced transparency and stimulated Raman adiabatic passage A. Eilam and M. Shapiro 2012-01-27T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.012520 Phys. Rev. A 85, 012520 (2012) article Physical Review A 85 1 2012-01-27T10:00:00-05:00 10.1103/PhysRevA.85.012520 http://link.aps.org/doi/10.1103/PhysRevA.85.012520 012520 Atomic and molecular structure and dynamics Atomic and molecular structure and dynamics Molecular Imaging Using High-Order Harmonic Generation and Above-Threshold Ionization http://link.aps.org/doi/10.1103/PhysRevLett.108.043004 Author(s): Elmar V. van der Zwan and Manfred Lein<br/><p>Accurate molecular imaging via high-order harmonic generation relies on comparing harmonic emission from a laser-irradiated molecule and an adequate reference system. However, an ideal reference atom with the same ionization properties as the molecule is not always available. We show that for suitab...</p><br/>[Phys. Rev. Lett. 108, 043004] Published Wed Jan 25, 2012 Author(s): Elmar V. van der Zwan and Manfred Lein

Accurate molecular imaging via high-order harmonic generation relies on comparing harmonic emission from a laser-irradiated molecule and an adequate reference system. However, an ideal reference atom with the same ionization properties as the molecule is not always available. We show that for suitab...

[Phys. Rev. Lett. 108, 043004] Published Wed Jan 25, 2012

]]> Molecular Imaging Using High-Order Harmonic Generation and Above-Threshold Ionization Elmar V. van der Zwan and Manfred Lein 2012-01-25T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.043004 Phys. Rev. Lett. 108, 043004 (2012) article Physical Review Letters 108 4 2012-01-25T10:00:00-05:00 10.1103/PhysRevLett.108.043004 http://link.aps.org/doi/10.1103/PhysRevLett.108.043004 043004 Atomic, Molecular, and Optical Physics Atomic, Molecular, and Optical Physics Theory of attosecond absorption spectroscopy in krypton http://link.aps.org/doi/10.1103/PhysRevA.85.013415 Author(s): J. C. Baggesen, E. Lindroth, and L. B. Madsen<br/><p>A theory for time-domain attosecond pump–attosecond probe photoabsorption spectroscopy is formulated and related to the atomic response. The theory is illustrated through a study of attosecond absorption spectroscopy in krypton. The atomic parameters entering the formulation such as energies and Aug...</p><br/>[Phys. Rev. A 85, 013415] Published Wed Jan 25, 2012 Author(s): J. C. Baggesen, E. Lindroth, and L. B. Madsen

A theory for time-domain attosecond pump–attosecond probe photoabsorption spectroscopy is formulated and related to the atomic response. The theory is illustrated through a study of attosecond absorption spectroscopy in krypton. The atomic parameters entering the formulation such as energies and Aug...

[Phys. Rev. A 85, 013415] Published Wed Jan 25, 2012

]]> Theory of attosecond absorption spectroscopy in krypton J. C. Baggesen, E. Lindroth, and L. B. Madsen 2012-01-25T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013415 Phys. Rev. A 85, 013415 (2012) article Physical Review A 85 1 2012-01-25T10:00:00-05:00 10.1103/PhysRevA.85.013415 http://link.aps.org/doi/10.1103/PhysRevA.85.013415 013415 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Coulomb Asymmetry in Strong Field Multielectron Ionization of Diatomic Molecules http://link.aps.org/doi/10.1103/PhysRevLett.108.043002 Author(s): J. Wu, M. Meckel, S. Voss, H. Sann, M. Kunitski, L. Ph. H. Schmidt, A. Czasch, H. Kim, T. Jahnke, and R. Dörner<br/><p>We measure the angular distribution of an electron emitted by a strong elliptically polarized two-color laser field from exploding doubly charged molecular nitrogen. This angular distribution is vastly different for emission of the electron from the up-field core of the molecule as compared to that ...</p><br/>[Phys. Rev. Lett. 108, 043002] Published Tue Jan 24, 2012 Author(s): J. Wu, M. Meckel, S. Voss, H. Sann, M. Kunitski, L. Ph. H. Schmidt, A. Czasch, H. Kim, T. Jahnke, and R. Dörner

We measure the angular distribution of an electron emitted by a strong elliptically polarized two-color laser field from exploding doubly charged molecular nitrogen. This angular distribution is vastly different for emission of the electron from the up-field core of the molecule as compared to that ...

[Phys. Rev. Lett. 108, 043002] Published Tue Jan 24, 2012

]]> Coulomb Asymmetry in Strong Field Multielectron Ionization of Diatomic Molecules J. Wu, M. Meckel, S. Voss, H. Sann, M. Kunitski, L. Ph. H. Schmidt, A. Czasch, H. Kim, T. Jahnke, and R. Dörner 2012-01-24T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.043002 Phys. Rev. Lett. 108, 043002 (2012) article Physical Review Letters 108 4 2012-01-24T10:00:00-05:00 10.1103/PhysRevLett.108.043002 http://link.aps.org/doi/10.1103/PhysRevLett.108.043002 043002 Atomic, Molecular, and Optical Physics Atomic, Molecular, and Optical Physics All-Optical Measurement of High-Harmonic Amplitudes and Phases in Aligned Molecules http://link.aps.org/doi/10.1103/PhysRevLett.108.033903 Author(s): A. Rupenyan, J. B. Bertrand, D. M. Villeneuve, and H. J. Wörner<br/><p>We report a new all-optical approach to measuring the phase and amplitude of high-harmonic emission from aligned molecules. We combine the transient grating technique with a continuous rotation of the molecular alignment axis and develop an analytical model that enables the simultaneous determinatio...</p><br/>[Phys. Rev. Lett. 108, 033903] Published Fri Jan 20, 2012 Author(s): A. Rupenyan, J. B. Bertrand, D. M. Villeneuve, and H. J. Wörner

We report a new all-optical approach to measuring the phase and amplitude of high-harmonic emission from aligned molecules. We combine the transient grating technique with a continuous rotation of the molecular alignment axis and develop an analytical model that enables the simultaneous determinatio...

[Phys. Rev. Lett. 108, 033903] Published Fri Jan 20, 2012

]]> All-Optical Measurement of High-Harmonic Amplitudes and Phases in Aligned Molecules A. Rupenyan, J. B. Bertrand, D. M. Villeneuve, and H. J. Wörner 2012-01-20T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.033903 Phys. Rev. Lett. 108, 033903 (2012) article Physical Review Letters 108 3 2012-01-20T10:00:00-05:00 10.1103/PhysRevLett.108.033903 http://link.aps.org/doi/10.1103/PhysRevLett.108.033903 033903 Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc. Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc. Low-energy peak structure in strong-field ionization by midinfrared laser pulses: Two-dimensional focusing by the atomic potential http://link.aps.org/doi/10.1103/PhysRevA.85.011403 Author(s): Christoph Lemell, Konstantinos I. Dimitriou, Xiao-Min Tong, Stefan Nagele, Daniil V. Kartashov, Joachim Burgdörfer, and Stefanie Gräfe<br/><p>We analyze the formation of the low-energy structure (LES) in above-threshold ionization spectra in strong-field ionization by midinfrared laser pulses by using both quasiclassical and quantum approaches. We show this structure to be largely classical in origin, resulting from a two-dimensional focu...</p><br/><img src="http://publish.aps.org/images/icons/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/> <br/>[Phys. Rev. A 85, 011403] Published Fri Jan 20, 2012 Author(s): Christoph Lemell, Konstantinos I. Dimitriou, Xiao-Min Tong, Stefan Nagele, Daniil V. Kartashov, Joachim Burgdörfer, and Stefanie Gräfe

Rapid Communication We analyze the formation of the low-energy structure (LES) in above-threshold ionization spectra in strong-field ionization by midinfrared laser pulses by using both quasiclassical and quantum approaches. We show this structure to be largely classical in origin, resulting from a two-dimensional focu...

[Phys. Rev. A 85, 011403] Published Fri Jan 20, 2012

]]> Low-energy peak structure in strong-field ionization by midinfrared laser pulses: Two-dimensional focusing by the atomic potential Christoph Lemell, Konstantinos I. Dimitriou, Xiao-Min Tong, Stefan Nagele, Daniil V. Kartashov, Joachim Burgdörfer, and Stefanie Gräfe 2012-01-20T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.011403 Phys. Rev. A 85, 011403 (2012) article Physical Review A 85 1 2012-01-20T10:00:00-05:00 10.1103/PhysRevA.85.011403 http://link.aps.org/doi/10.1103/PhysRevA.85.011403 011403 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Competition of Resonant and Nonresonant Paths in Resonance-Enhanced Two-Photon Single Ionization of He by an Ultrashort Extreme-Ultraviolet Pulse http://link.aps.org/doi/10.1103/PhysRevLett.108.033003 Author(s): Kenichi L. Ishikawa and Kiyoshi Ueda<br/><p>We theoretically study the pulse-width dependence of the photoelectron angular distribution (PAD) from the resonance-enhanced two-photon single ionization of He by femtosecond (<span>≲20  fs</span>) extreme-ultraviolet pulses, based on the time-dependent perturbation theory and simulations with the full time-dep...</p><br/>[Phys. Rev. Lett. 108, 033003] Published Thu Jan 19, 2012 Author(s): Kenichi L. Ishikawa and Kiyoshi Ueda

We theoretically study the pulse-width dependence of the photoelectron angular distribution (PAD) from the resonance-enhanced two-photon single ionization of He by femtosecond (≲20  fs) extreme-ultraviolet pulses, based on the time-dependent perturbation theory and simulations with the full time-dep...

[Phys. Rev. Lett. 108, 033003] Published Thu Jan 19, 2012

]]> Competition of Resonant and Nonresonant Paths in Resonance-Enhanced Two-Photon Single Ionization of He by an Ultrashort Extreme-Ultraviolet Pulse Kenichi L. Ishikawa and Kiyoshi Ueda 2012-01-19T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.033003 Phys. Rev. Lett. 108, 033003 (2012) article Physical Review Letters 108 3 2012-01-19T10:00:00-05:00 10.1103/PhysRevLett.108.033003 http://link.aps.org/doi/10.1103/PhysRevLett.108.033003 033003 Atomic, Molecular, and Optical Physics Atomic, Molecular, and Optical Physics Inelastic Scattering of Broadband Electron Wave Packets Driven by an Intense Midinfrared Laser Field http://link.aps.org/doi/10.1103/PhysRevLett.108.033002 Author(s): A. D. DiChiara, E. Sistrunk, C. I. Blaga, U. B. Szafruga, P. Agostini, and L. F. DiMauro<br/><p>Intense, 100 fs laser pulses at 3.2 and <span>3.6  <span style="font-style: italic;">μ</span>m</span> are used to generate, by multiphoton ionization, broadband wave packets with up to 400 eV of kinetic energy and charge states up to <span>Xe<sup>+6</sup></span>. The multiple ionization pathways are well described by a white electron wave packet and field-free inelastic cross...</p><br/>[Phys. Rev. Lett. 108, 033002] Published Wed Jan 18, 2012 Author(s): A. D. DiChiara, E. Sistrunk, C. I. Blaga, U. B. Szafruga, P. Agostini, and L. F. DiMauro

Intense, 100 fs laser pulses at 3.2 and 3.6  μm are used to generate, by multiphoton ionization, broadband wave packets with up to 400 eV of kinetic energy and charge states up to Xe+6. The multiple ionization pathways are well described by a white electron wave packet and field-free inelastic cross...

[Phys. Rev. Lett. 108, 033002] Published Wed Jan 18, 2012

]]> Inelastic Scattering of Broadband Electron Wave Packets Driven by an Intense Midinfrared Laser Field A. D. DiChiara, E. Sistrunk, C. I. Blaga, U. B. Szafruga, P. Agostini, and L. F. DiMauro 2012-01-18T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.033002 Phys. Rev. Lett. 108, 033002 (2012) article Physical Review Letters 108 3 2012-01-18T10:00:00-05:00 10.1103/PhysRevLett.108.033002 http://link.aps.org/doi/10.1103/PhysRevLett.108.033002 033002 Atomic, Molecular, and Optical Physics Atomic, Molecular, and Optical Physics Annular billiard dynamics in a circularly polarized strong laser field http://link.aps.org/doi/10.1103/PhysRevE.85.016204 Author(s): A. Kamor, F. Mauger, C. Chandre, and T. Uzer<br/><p>We analyze the dynamics of a valence electron of the buckminsterfullerene molecule (<span>C<sub>60</sub></span>) subjected to a circularly polarized laser field by modeling it with the motion of a classical particle in an annular billiard. We show that the phase space of the billiard model gives rise to three distinct traj...</p><br/>[Phys. Rev. E 85, 016204] Published Tue Jan 17, 2012 Author(s): A. Kamor, F. Mauger, C. Chandre, and T. Uzer

We analyze the dynamics of a valence electron of the buckminsterfullerene molecule (C60) subjected to a circularly polarized laser field by modeling it with the motion of a classical particle in an annular billiard. We show that the phase space of the billiard model gives rise to three distinct traj...

[Phys. Rev. E 85, 016204] Published Tue Jan 17, 2012

]]> Annular billiard dynamics in a circularly polarized strong laser field A. Kamor, F. Mauger, C. Chandre, and T. Uzer 2012-01-17T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevE.85.016204 Phys. Rev. E 85, 016204 (2012) article Physical Review E 85 1 2012-01-17T10:00:00-05:00 10.1103/PhysRevE.85.016204 http://link.aps.org/doi/10.1103/PhysRevE.85.016204 016204 Chaos and pattern formation Chaos and pattern formation Electron-Energy Bunching in Laser-Driven Soft Recollisions http://link.aps.org/doi/10.1103/PhysRevLett.108.033201 Author(s): Alexander Kästner, Ulf Saalmann, and Jan M. Rost<br/><p>We introduce soft recollisions in laser-matter interaction. They are characterized by the electron missing the ion upon recollision in contrast with the well-known head-on collisions responsible for high-harmonic generation or above-threshold ionization. We demonstrate analytically that soft recolli...</p><br/>[Phys. Rev. Lett. 108, 033201] Published Tue Jan 17, 2012 Author(s): Alexander Kästner, Ulf Saalmann, and Jan M. Rost

We introduce soft recollisions in laser-matter interaction. They are characterized by the electron missing the ion upon recollision in contrast with the well-known head-on collisions responsible for high-harmonic generation or above-threshold ionization. We demonstrate analytically that soft recolli...

[Phys. Rev. Lett. 108, 033201] Published Tue Jan 17, 2012

]]> Electron-Energy Bunching in Laser-Driven Soft Recollisions Alexander Kästner, Ulf Saalmann, and Jan M. Rost 2012-01-17T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.033201 Phys. Rev. Lett. 108, 033201 (2012) article Physical Review Letters 108 3 2012-01-17T10:00:00-05:00 10.1103/PhysRevLett.108.033201 http://link.aps.org/doi/10.1103/PhysRevLett.108.033201 033201 Atomic, Molecular, and Optical Physics Atomic, Molecular, and Optical Physics Photoelectron angular distributions of low-order above-threshold ionization of Xe in the multiphoton regime http://link.aps.org/doi/10.1103/PhysRevA.85.013414 Author(s): Min Li, Yunquan Liu, Hong Liu, Yudong Yang, Jialei Yuan, Xianrong Liu, Yongkai Deng, Chengyin Wu, and Qihuang Gong<br/><p>We present high-resolution two-dimensional momentum distributions and energy-angular distributions of photoelectrons from xenon atoms, ionized by an 800-nm, 25-fs linearly polarized laser at intensities of (1.8–4.4) × 10<span><sup>13</sup></span> W/cm<span><sup>2</sup></span>. The angular distributions of low-energy photoelectrons exhibit pronoun...</p><br/>[Phys. Rev. A 85, 013414] Published Fri Jan 13, 2012 Author(s): Min Li, Yunquan Liu, Hong Liu, Yudong Yang, Jialei Yuan, Xianrong Liu, Yongkai Deng, Chengyin Wu, and Qihuang Gong

We present high-resolution two-dimensional momentum distributions and energy-angular distributions of photoelectrons from xenon atoms, ionized by an 800-nm, 25-fs linearly polarized laser at intensities of (1.8–4.4) × 1013 W/cm2. The angular distributions of low-energy photoelectrons exhibit pronoun...

[Phys. Rev. A 85, 013414] Published Fri Jan 13, 2012

]]> Photoelectron angular distributions of low-order above-threshold ionization of Xe in the multiphoton regime Min Li, Yunquan Liu, Hong Liu, Yudong Yang, Jialei Yuan, Xianrong Liu, Yongkai Deng, Chengyin Wu, and Qihuang Gong 2012-01-13T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013414 Phys. Rev. A 85, 013414 (2012) article Physical Review A 85 1 2012-01-13T10:00:00-05:00 10.1103/PhysRevA.85.013414 http://link.aps.org/doi/10.1103/PhysRevA.85.013414 013414 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Molecular above-threshold-ionization angular distributions with attosecond bichromatic intense XUV laser pulses http://link.aps.org/doi/10.1103/PhysRevA.85.013413 Author(s): Kai-Jun Yuan and André D. Bandrauk<br/><p>Angular distributions of molecular above-threshold ionization (MATI) in bichromatic attosecond extreme ultraviolet (XUV) linear polarization laser pulses have been theoretically investigated. Multiphoton ionization in a prealigned molecular ion H<span><sub>2</sub></span><span><sup>+</sup></span> produces clear MATI spectra which show a forward-ba...</p><br/>[Phys. Rev. A 85, 013413] Published Fri Jan 13, 2012 Author(s): Kai-Jun Yuan and André D. Bandrauk

Angular distributions of molecular above-threshold ionization (MATI) in bichromatic attosecond extreme ultraviolet (XUV) linear polarization laser pulses have been theoretically investigated. Multiphoton ionization in a prealigned molecular ion H2+ produces clear MATI spectra which show a forward-ba...

[Phys. Rev. A 85, 013413] Published Fri Jan 13, 2012

]]> Molecular above-threshold-ionization angular distributions with attosecond bichromatic intense XUV laser pulses Kai-Jun Yuan and André D. Bandrauk 2012-01-13T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013413 Phys. Rev. A 85, 013413 (2012) article Physical Review A 85 1 2012-01-13T10:00:00-05:00 10.1103/PhysRevA.85.013413 http://link.aps.org/doi/10.1103/PhysRevA.85.013413 013413 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Femtosecond transparency in the extreme-ultraviolet region http://link.aps.org/doi/10.1103/PhysRevA.85.013411 Author(s): Michal Tarana and Chris H. Greene<br/><p>Electromagnetically-induced-transparency-like behavior in the extreme-ultraviolet region is studied theoretically, including the effect of intense 800 nm laser dressing of He 2<span style="font-style: italic;">s</span>2<span style="font-style: italic;">p</span>(<span><sup>1</sup> <span style="font-style: italic;">P</span><sup><span style="font-style: italic;">o</span></sup></span>) and 2<span style="font-style: italic;">p</span><span><sup>2</sup></span><span>(<sup>1</sup> <span style="font-style: italic;">S</span><sup><span style="font-style: italic;">e</span></sup>)</span> autoionizing states. We present an <span style="font-style: italic;">ab initio</span> solution of the time-dependent Schrödinger equation in ...</p><br/>[Phys. Rev. A 85, 013411] Published Thu Jan 12, 2012 Author(s): Michal Tarana and Chris H. Greene

Electromagnetically-induced-transparency-like behavior in the extreme-ultraviolet region is studied theoretically, including the effect of intense 800 nm laser dressing of He 2s2p(1 Po) and 2p2(1 Se) autoionizing states. We present an ab initio solution of the time-dependent Schrödinger equation in ...

[Phys. Rev. A 85, 013411] Published Thu Jan 12, 2012

]]> Femtosecond transparency in the extreme-ultraviolet region Michal Tarana and Chris H. Greene 2012-01-12T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013411 Phys. Rev. A 85, 013411 (2012) article Physical Review A 85 1 2012-01-12T10:00:00-05:00 10.1103/PhysRevA.85.013411 http://link.aps.org/doi/10.1103/PhysRevA.85.013411 013411 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Evidence of High Harmonics from Echo-Enabled Harmonic Generation for Seeding X-Ray Free Electron Lasers http://link.aps.org/doi/10.1103/PhysRevLett.108.024802 Author(s): D. Xiang, E. Colby, M. Dunning, S. Gilevich, C. Hast, K. Jobe, D. McCormick, J. Nelson, T. O. Raubenheimer, K. Soong, G. Stupakov, Z. Szalata, D. Walz, S. Weathersby, and M. Woodley<br/><p>Echo-enabled harmonic generation free electron lasers hold great promise for the generation of fully coherent radiation in x-ray wavelengths. Here we report the first evidence of high harmonics from the echo-enabled harmonic generation technique in the realistic scenario where the laser energy modul...</p><br/>[Phys. Rev. Lett. 108, 024802] Published Wed Jan 11, 2012 Author(s): D. Xiang, E. Colby, M. Dunning, S. Gilevich, C. Hast, K. Jobe, D. McCormick, J. Nelson, T. O. Raubenheimer, K. Soong, G. Stupakov, Z. Szalata, D. Walz, S. Weathersby, and M. Woodley

Echo-enabled harmonic generation free electron lasers hold great promise for the generation of fully coherent radiation in x-ray wavelengths. Here we report the first evidence of high harmonics from the echo-enabled harmonic generation technique in the realistic scenario where the laser energy modul...

[Phys. Rev. Lett. 108, 024802] Published Wed Jan 11, 2012

]]> Evidence of High Harmonics from Echo-Enabled Harmonic Generation for Seeding X-Ray Free Electron Lasers D. Xiang, E. Colby, M. Dunning, S. Gilevich, C. Hast, K. Jobe, D. McCormick, J. Nelson, T. O. Raubenheimer, K. Soong, G. Stupakov, Z. Szalata, D. Walz, S. Weathersby, and M. Woodley 2012-01-11T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.024802 Phys. Rev. Lett. 108, 024802 (2012) article Physical Review Letters 108 2 2012-01-11T10:00:00-05:00 10.1103/PhysRevLett.108.024802 http://link.aps.org/doi/10.1103/PhysRevLett.108.024802 024802 Plasma and Beam Physics Plasma and Beam Physics Routes to formation of highly excited neutral atoms in the breakup of strongly driven H_{2} http://link.aps.org/doi/10.1103/PhysRevA.85.011402 Author(s): A. Emmanouilidou, C. Lazarou, A. Staudte, and U. Eichmann<br/><p>We present a theoretical quasiclassical treatment of the formation, during Coulomb explosion, of highly excited neutral H atoms (<span>H<sup>*</sup></span>) for strongly driven <span>H<sub>2</sub></span>. This process, where after the laser field is turned off, one electron escapes to the continuum while the other occupies a Rydberg state, was re...</p><br/><img src="http://publish.aps.org/images/icons/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/> <br/>[Phys. Rev. A 85, 011402] Published Wed Jan 11, 2012 Author(s): A. Emmanouilidou, C. Lazarou, A. Staudte, and U. Eichmann

Rapid Communication We present a theoretical quasiclassical treatment of the formation, during Coulomb explosion, of highly excited neutral H atoms (H*) for strongly driven H2. This process, where after the laser field is turned off, one electron escapes to the continuum while the other occupies a Rydberg state, was re...

[Phys. Rev. A 85, 011402] Published Wed Jan 11, 2012

]]> Routes to formation of highly excited neutral atoms in the breakup of strongly driven H_{2} A. Emmanouilidou, C. Lazarou, A. Staudte, and U. Eichmann 2012-01-11T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.011402 Phys. Rev. A 85, 011402 (2012) article Physical Review A 85 1 2012-01-11T10:00:00-05:00 10.1103/PhysRevA.85.011402 http://link.aps.org/doi/10.1103/PhysRevA.85.011402 011402 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Photoabsorption of attosecond XUV light pulses by two strongly laser-coupled autoionizing states http://link.aps.org/doi/10.1103/PhysRevA.85.013409 Author(s): Wei-Chun Chu and C. D. Lin<br/><p>We study theoretically the photoabsorption spectra of an attosecond extreme ultraviolet (XUV) pulse by a laser-dressed atomic system. A weak XUV excites an autoionizing state which is strongly coupled to another autoionizing state by a laser. The theory was applied to explain two recent experiments ...</p><br/>[Phys. Rev. A 85, 013409] Published Wed Jan 11, 2012 Author(s): Wei-Chun Chu and C. D. Lin

We study theoretically the photoabsorption spectra of an attosecond extreme ultraviolet (XUV) pulse by a laser-dressed atomic system. A weak XUV excites an autoionizing state which is strongly coupled to another autoionizing state by a laser. The theory was applied to explain two recent experiments ...

[Phys. Rev. A 85, 013409] Published Wed Jan 11, 2012

]]> Photoabsorption of attosecond XUV light pulses by two strongly laser-coupled autoionizing states Wei-Chun Chu and C. D. Lin 2012-01-11T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013409 Phys. Rev. A 85, 013409 (2012) article Physical Review A 85 1 2012-01-11T10:00:00-05:00 10.1103/PhysRevA.85.013409 http://link.aps.org/doi/10.1103/PhysRevA.85.013409 013409 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Subfemtosecond K-Shell Excitation with a Few-Cycle Infrared Laser Field http://link.aps.org/doi/10.1103/PhysRevLett.108.023201 Author(s): Gilad Marcus, Wolfram Helml, Xun Gu, Yunpei Deng, Robert Hartmann, Takayoshi Kobayashi, Lothar Strueder, Reinhard Kienberger, and Ferenc Krausz<br/><p>Subfemtosecond bursts of extreme ultraviolet radiation, facilitated by a process known as high-order harmonic generation, are a key ingredient for attosecond metrology, providing a tool to precisely initiate and probe ultrafast dynamics in the microcosms of atoms, molecules, and solids. These ultras...</p><br/>[Phys. Rev. Lett. 108, 023201] Published Tue Jan 10, 2012 Author(s): Gilad Marcus, Wolfram Helml, Xun Gu, Yunpei Deng, Robert Hartmann, Takayoshi Kobayashi, Lothar Strueder, Reinhard Kienberger, and Ferenc Krausz

Subfemtosecond bursts of extreme ultraviolet radiation, facilitated by a process known as high-order harmonic generation, are a key ingredient for attosecond metrology, providing a tool to precisely initiate and probe ultrafast dynamics in the microcosms of atoms, molecules, and solids. These ultras...

[Phys. Rev. Lett. 108, 023201] Published Tue Jan 10, 2012

]]> Subfemtosecond K-Shell Excitation with a Few-Cycle Infrared Laser Field Gilad Marcus, Wolfram Helml, Xun Gu, Yunpei Deng, Robert Hartmann, Takayoshi Kobayashi, Lothar Strueder, Reinhard Kienberger, and Ferenc Krausz 2012-01-10T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevLett.108.023201 Phys. Rev. Lett. 108, 023201 (2012) article Physical Review Letters 108 2 2012-01-10T10:00:00-05:00 10.1103/PhysRevLett.108.023201 http://link.aps.org/doi/10.1103/PhysRevLett.108.023201 023201 Atomic, Molecular, and Optical Physics Atomic, Molecular, and Optical Physics Time-dependent calculations of double photoionization of the aligned H_{2} molecule http://link.aps.org/doi/10.1103/PhysRevA.85.013406 Author(s): I. A. Ivanov and A. S. Kheifets<br/><p>We perform time-dependent calculations of single-photon two-electron ionization of the aligned H<span><sub>2</sub></span> molecule by an xuv pulse. Solution of the time-dependent Schrödinger equation is sought in spherical coordinates on a radial grid by time propagation using the Arnoldi-Lanczos method. From these calcula...</p><br/>[Phys. Rev. A 85, 013406] Published Tue Jan 10, 2012 Author(s): I. A. Ivanov and A. S. Kheifets

We perform time-dependent calculations of single-photon two-electron ionization of the aligned H2 molecule by an xuv pulse. Solution of the time-dependent Schrödinger equation is sought in spherical coordinates on a radial grid by time propagation using the Arnoldi-Lanczos method. From these calcula...

[Phys. Rev. A 85, 013406] Published Tue Jan 10, 2012

]]> Time-dependent calculations of double photoionization of the aligned H_{2} molecule I. A. Ivanov and A. S. Kheifets 2012-01-10T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013406 Phys. Rev. A 85, 013406 (2012) article Physical Review A 85 1 2012-01-10T10:00:00-05:00 10.1103/PhysRevA.85.013406 http://link.aps.org/doi/10.1103/PhysRevA.85.013406 013406 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Intensity dependence of multiple orbital contributions and shape resonance in high-order harmonic generation of aligned N_{2} molecules http://link.aps.org/doi/10.1103/PhysRevA.85.013405 Author(s): Cheng Jin, Julien B. Bertrand, R. R. Lucchese, H. J. Wörner, Paul B. Corkum, D. M. Villeneuve, Anh-Thu Le, and C. D. Lin<br/><p>We report measurements and theoretical simulations of high-order harmonic generation (HHG) in aligned N<span><sub>2</sub></span> molecules using a 1200-nm intense laser field when the generating pulse is perpendicular to the aligning one. With increasing laser intensity, the minimum in the HHG spectra first shifts its posi...</p><br/>[Phys. Rev. A 85, 013405] Published Mon Jan 09, 2012 Author(s): Cheng Jin, Julien B. Bertrand, R. R. Lucchese, H. J. Wörner, Paul B. Corkum, D. M. Villeneuve, Anh-Thu Le, and C. D. Lin

We report measurements and theoretical simulations of high-order harmonic generation (HHG) in aligned N2 molecules using a 1200-nm intense laser field when the generating pulse is perpendicular to the aligning one. With increasing laser intensity, the minimum in the HHG spectra first shifts its posi...

[Phys. Rev. A 85, 013405] Published Mon Jan 09, 2012

]]> Intensity dependence of multiple orbital contributions and shape resonance in high-order harmonic generation of aligned N_{2} molecules Cheng Jin, Julien B. Bertrand, R. R. Lucchese, H. J. Wörner, Paul B. Corkum, D. M. Villeneuve, Anh-Thu Le, and C. D. Lin 2012-01-09T10:00:00-05:00 Personal use only, all commercial or other reuse prohibited doi:10.1103/PhysRevA.85.013405 Phys. Rev. A 85, 013405 (2012) article Physical Review A 85 1 2012-01-09T10:00:00-05:00 10.1103/PhysRevA.85.013405 http://link.aps.org/doi/10.1103/PhysRevA.85.013405 013405 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses