http://prb.aps.org/ Rapid Communications published in Phys. Rev. B en-us Copyright (c) 2009 The American Physical Society 2009-11-20T20:15:07-05:00 assocpub@aps.org rss@aps.org hourly 4 2009-11-20T20:15:07-05:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevB.80.180302 Author(s): Wen-Pin Hsieh, Bin Chen, Jie Li, Pawel Keblinski, and David G. Cahill<br/>The physics of heat conduction in layered, anisotropic crystals is probed by measurements of the cross-plane elastic constant C_{33} and thermal conductivity Λ of muscovite mica as a function of hydrostatic pressure. Picosecond interferometry and time-domain thermoreflectance provide high-precision...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> <img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180302] Published Fri Nov 20, 2009 Wen-Pin Hsieh, Bin Chen, Jie Li, Pawel Keblinski, and David G. Cahill 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180302 Phys. Rev. B 80, 180302 text/html article Physical Review B 80 18 2009-11-20T00:00:00-05:00 180302 Dynamics, dynamical systems, lattice effects, quantum solids Dynamics, dynamical systems, lattice effects, quantum solids http://link.aps.org/doi/10.1103/PhysRevB.80.180419 Author(s): Hajime Sagayama, Kouji Taniguchi, Nobuyuki Abe, Taka-hisa Arima, Yusaku Nishikawa, Shin-ichiro Yano, Yusuke Kousaka, Jun Akimitsu, Masato Matsuura, and Kazuma Hirota<br/>The magnetic phase diagram of the Y -type hexaferrite Ba_{2} Mg_{2} Fe_{12} O_{22} has been studied using single-crystal neutron diffraction. The result indicates successive phase transitions where the magnetic modulation wave number changed discontinuously when a magnetic field is applied and the t...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180419] Published Fri Nov 20, 2009 Hajime Sagayama, Kouji Taniguchi, Nobuyuki Abe, Taka-hisa Arima, Yusaku Nishikawa, Shin-ichiro Yano, Yusuke Kousaka, Jun Akimitsu, Masato Matsuura, and Kazuma Hirota 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180419 Phys. Rev. B 80, 180419 text/html article Physical Review B 80 18 2009-11-20T00:00:00-05:00 180419 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.201105 Author(s): Xiang Xiong, Wei-Hua Sun, Yong-Jun Bao, Ru-Wen Peng, Mu Wang, Cheng Sun, Xiang Lu, Jun Shao, Zhi-Feng Li, and Nai-Ben Ming<br/>We demonstrate in this Rapid Communication that in an assembly of stacked metallic U-shaped resonators, pure magnetic and electric responses are, respectively, realized, and the magnetic and electric responses can be switched at the same frequency by changing the polarization of incident light for 9...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201105] Published Fri Nov 20, 2009 Xiang Xiong, Wei-Hua Sun, Yong-Jun Bao, Ru-Wen Peng, Mu Wang, Cheng Sun, Xiang Lu, Jun Shao, Zhi-Feng Li, and Nai-Ben Ming 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201105 Phys. Rev. B 80, 201105 text/html article Physical Review B 80 20 2009-11-20T00:00:00-05:00 201105 Electronic structure: wide-band, narrow-band, and strongly correlated systems Electronic structure: wide-band, narrow-band, and strongly correlated systems http://link.aps.org/doi/10.1103/PhysRevB.80.201406 Author(s): H. Zhu, M. Aindow, and R. Ramprasad<br/>Critical factors that control the vacuum work function of the TiC_{x} N_{1−x} ternary system surfaces were determined using detailed density functional theory calculations. Surface chemistry (i.e., orientation, stoichiometry, and defect density) was found to play the most important role in determi...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201406] Published Fri Nov 20, 2009 H. Zhu, M. Aindow, and R. Ramprasad 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201406 Phys. Rev. B 80, 201406 text/html article Physical Review B 80 20 2009-11-20T00:00:00-05:00 201406 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.201312 Author(s): Diego Frustaglia and Adán Cabello<br/>We present an interferometric scheme producing orbital entanglement in a quantum Hall system upon electron-hole pair emission via tunneling. The proposed setup is an electronic version of the optical interferometer proposed by Cabello [Phys. Rev. Lett. 102, 040401 (2009)] and is feasible with the pr...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201312] Published Fri Nov 20, 2009 Diego Frustaglia and Adán Cabello 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201312 Phys. Rev. B 80, 201312 text/html article Physical Review B 80 20 2009-11-20T00:00:00-05:00 201312 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.201313 Author(s): V. V. Ponomarenko and D. V. Averin<br/>We have studied the zero-temperature statistics of charge transfer between the two edges of quantum Hall liquids with filling factors ν_{0,1} =1/(2m_{0,1} +1) forming Mach-Zehnder interferometer. The known Bethe ansatz solution for symmetric interferometer is used to obtain the cumulant-generating ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201313] Published Fri Nov 20, 2009 V. V. Ponomarenko and D. V. Averin 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201313 Phys. Rev. B 80, 201313 text/html article Physical Review B 80 20 2009-11-20T00:00:00-05:00 201313 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.180417 Author(s): Y. Takamura, F. Yang, N. Kemik, E. Arenholz, M. D. Biegalski, and H. M. Christen<br/>Soft x-ray magnetic dichroism, magnetization, and magnetotransport measurements demonstrate that the competition between different magnetic interactions (exchange coupling, electronic reconstruction, and long-range interactions) in La_{0.7} Sr_{0.3} FeO_{3} (LSFO)/La_{0.7} Sr_{0.3} MnO_{3} (LSMO) pe...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180417] Published Thu Nov 19, 2009 Y. Takamura, F. Yang, N. Kemik, E. Arenholz, M. D. Biegalski, and H. M. Christen 2009-11-19T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180417 Phys. Rev. B 80, 180417 text/html article Physical Review B 80 18 2009-11-19T00:00:00-05:00 180417 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180418 Author(s): C.-C. Chen, B. Moritz, J. van den Brink, T. P. Devereaux, and R. R. P. Singh<br/>We study finite temperature properties of a generic spin-orbital model relevant to transition metal compounds, having coupled quantum Heisenberg-spin and Ising-orbital degrees of freedom. The model system undergoes a phase transition, consistent with that of a two-dimensional Ising model, to an orbi...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180418] Published Thu Nov 19, 2009 C.-C. Chen, B. Moritz, J. van den Brink, T. P. Devereaux, and R. R. P. Singh 2009-11-19T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180418 Phys. Rev. B 80, 180418 text/html article Physical Review B 80 18 2009-11-19T00:00:00-05:00 180418 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180509 Author(s): C. C. Homes<br/>Recent measurements on extremely underdoped YBa_{2} Cu_{3} O_{6+y} [Phys. Rev. Lett. 99, 237003 (2007)] have allowed the critical temperature T_{c} , superfluid density ρ_{s0} ≡ρ_{s} (T⪡T_{c} ) , and dc conductivity σ_{dc} (T≳T_{c} ) to be determined for a series of electronic dopings for T...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180509] Published Thu Nov 19, 2009 C. C. Homes 2009-11-19T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180509 Phys. Rev. B 80, 180509 text/html article Physical Review B 80 18 2009-11-19T00:00:00-05:00 180509 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.201311 Author(s): Ulrich Hohenester, Arne Laucht, Michael Kaniber, Norman Hauke, Andre Neumann, Abbas Mohtashami, Marek Seliger, Max Bichler, and Jonathan J. Finley<br/>For a single semiconductor quantum dot embedded in a microcavity, we theoretically and experimentally investigate phonon-assisted transitions between excitons and the cavity mode. Within the framework of the independent boson model we find that such transitions can be very efficient, even for relati...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201311] Published Wed Nov 18, 2009 Ulrich Hohenester, Arne Laucht, Michael Kaniber, Norman Hauke, Andre Neumann, Abbas Mohtashami, Marek Seliger, Max Bichler, and Jonathan J. Finley 2009-11-18T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201311 Phys. Rev. B 80, 201311 text/html article Physical Review B 80 20 2009-11-18T00:00:00-05:00 201311 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.180301 Author(s): Teemu Ojanen<br/>We present a thermal transport phenomenon, a unidirectional selection-rule blockade, and show how it produces unprecedented rectification of bosonic heat flow through molecular or mesoscopic quantum systems. Rectification arises from the quantization of energy levels of the conduction element and se...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180301] Published Wed Nov 18, 2009 Teemu Ojanen 2009-11-18T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180301 Phys. Rev. B 80, 180301 text/html article Physical Review B 80 18 2009-11-18T00:00:00-05:00 180301 Dynamics, dynamical systems, lattice effects, quantum solids Dynamics, dynamical systems, lattice effects, quantum solids http://link.aps.org/doi/10.1103/PhysRevB.80.180101 Author(s): Eduard Vives, Daniel Soto-Parra, Lluís Mañosa, Ricardo Romero, and Antoni Planes<br/>An experimental study of the statistical distribution of acoustic emission avalanches in martensitic transitions is presented. The critical exponents characterizing the power-law distributions of avalanches are measured as a function of cycling under soft-driving (stress-driving) and hard-driving (s...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180101] Published Tue Nov 17, 2009 Eduard Vives, Daniel Soto-Parra, Lluís Mañosa, Ricardo Romero, and Antoni Planes 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180101 Phys. Rev. B 80, 180101 text/html article Physical Review B 80 18 2009-11-17T00:00:00-05:00 180101 Structure, structural phase transitions, mechanical properties, defects Structure, structural phase transitions, mechanical properties, defects http://link.aps.org/doi/10.1103/PhysRevB.80.180507 Author(s): Takuya Kato, Yoshikazu Mizuguchi, Hiroshi Nakamura, Tadashi Machida, Hideaki Sakata, and Yoshihiko Takano<br/>We report on the investigation of the quasiparticle local density of states and superconducting gap in the iron chalcogenide superconductor Fe_{1+δ} Se_{1−x} Te_{x} (T_{c} ∼14 K) . The surface of a cleaved crystal revealed an atomic square lattice, superimposed on the inhomogeneous background...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> <img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180507] Published Tue Nov 17, 2009 Takuya Kato, Yoshikazu Mizuguchi, Hiroshi Nakamura, Tadashi Machida, Hideaki Sakata, and Yoshihiko Takano 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180507 Phys. Rev. B 80, 180507 text/html article Physical Review B 80 18 2009-11-17T00:00:00-05:00 180507 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.180415 Author(s): J.-M. Beaujour, D. Ravelosona, I. Tudosa, E. E. Fullerton, and A. D. Kent<br/>Transition-metal ferromagnetic films with perpendicular magnetic anisotropy (PMA) have ferromagnetic resonance (FMR) linewidths that are one order of magnitude larger than soft magnetic materials, such as pure iron (Fe) and Permalloy (NiFe) thin films. A broadband FMR setup has been used to investig...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180415] Published Tue Nov 17, 2009 J.-M. Beaujour, D. Ravelosona, I. Tudosa, E. E. Fullerton, and A. D. Kent 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180415 Phys. Rev. B 80, 180415 text/html article Physical Review B 80 18 2009-11-17T00:00:00-05:00 180415 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180508 Author(s): Stephan Rachel and Alexander Shnirman<br/>We identify and investigate the parameter regime of small charge solitons in one-dimensional arrays of Josephson junctions. We obtain the dispersion relation of the soliton and show that it unexpectedly flattens in the outer region of the Brillouin zone. We demonstrate Lorentz contraction of the sol...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180508] Published Tue Nov 17, 2009 Stephan Rachel and Alexander Shnirman 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180508 Phys. Rev. B 80, 180508 text/html article Physical Review B 80 18 2009-11-17T00:00:00-05:00 180508 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.180416 Author(s): A. Cano<br/>The optical response of spiral magnets is studied theoretically, with special attention to its electromagnon features. We show that these features trace back to the resonant magnetoelectric response resulting from the spiral ordering (irrespective of any concomitant ferroelectricity). This response,...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180416] Published Tue Nov 17, 2009 A. Cano 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180416 Phys. Rev. B 80, 180416 text/html article Physical Review B 80 18 2009-11-17T00:00:00-05:00 180416 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.201104 Author(s): Boubacar Kanté, Dylan Germain, and André de Lustrac<br/>Metamaterials have paved the way to unprecedented control of the electromagnetic field. The conjunction with space coordinate transformation has led to a “relativity inspired” approach for the control of light propagation. “Invisibility cloak” is the most fascinating proposed device. However...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201104] Published Tue Nov 17, 2009 Boubacar Kanté, Dylan Germain, and André de Lustrac 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201104 Phys. Rev. B 80, 201104 text/html article Physical Review B 80 20 2009-11-17T00:00:00-05:00 201104 Electronic structure: wide-band, narrow-band, and strongly correlated systems Electronic structure: wide-band, narrow-band, and strongly correlated systems http://link.aps.org/doi/10.1103/PhysRevB.80.201404 Author(s): András Pályi and Guido Burkard<br/>Hyperfine interaction (HFI) in carbon nanotube and graphene quantum dots is due to the presence of ^{13} C atoms. We theoretically show that in these structures the short-range nature of the HFI gives rise to a coupling between the valley degree of freedom of the electron and the nuclear spin, in ad...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201404] Published Tue Nov 17, 2009 András Pályi and Guido Burkard 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201404 Phys. Rev. B 80, 201404 text/html article Physical Review B 80 20 2009-11-17T00:00:00-05:00 201404 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.201405 Author(s): S. Tao, Y. Miyata, K. Yanagi, H. Kataura, and H. Okamoto<br/>We report an excitation-energy dependence of ultrafast changes of exciton absorptions in isolated semiconducting single-walled carbon nanotubes. For a photoexcitation far below the exciton transition, a blueshift of exciton absorptions originating from the optical Stark effect due to exciton-photon ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201405] Published Tue Nov 17, 2009 S. Tao, Y. Miyata, K. Yanagi, H. Kataura, and H. Okamoto 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201405 Phys. Rev. B 80, 201405 text/html article Physical Review B 80 20 2009-11-17T00:00:00-05:00 201405 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.80.180414 Author(s): Jie Lou, Anders W. Sandvik, and Naoki Kawashima<br/>We study two-dimensional Heisenberg antiferromagnets with additional multispin interactions which can drive the system into a valence-bond-solid state. For standard SU(2) spins, we consider both four- and six-spin interactions. We find continuous quantum phase transitions with the same critical expo...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> <img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180414] Published Mon Nov 16, 2009 Jie Lou, Anders W. Sandvik, and Naoki Kawashima 2009-11-16T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180414 Phys. Rev. B 80, 180414 text/html article Physical Review B 80 18 2009-11-16T00:00:00-05:00 180414 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180506 Author(s): G. Karapetrov, M. V. Milošević, M. Iavarone, J. Fedor, A. Belkin, V. Novosad, and F. M. Peeters<br/>Using scanning tunneling microscopy and Ginzburg-Landau simulations, we explore vortex configurations in magnetically coupled NbSe_{2} /permalloy superconductor/ferromagnet bilayer. The permalloy film with stripe domain structure induces periodic local magnetic induction in the superconductor, creat...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180506] Published Mon Nov 16, 2009 G. Karapetrov, M. V. Milošević, M. Iavarone, J. Fedor, A. Belkin, V. Novosad, and F. M. Peeters 2009-11-16T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180506 Phys. Rev. B 80, 180506 text/html article Physical Review B 80 18 2009-11-16T00:00:00-05:00 180506 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.201308 Author(s): D. Bajoni, D. Gerace, M. Galli, J. Bloch, R. Braive, I. Sagnes, A. Miard, A. Lemaître, M. Patrini, and L. C. Andreani<br/>Experimental evidence of strong coupling between excitons confined in a quantum well and the photonic modes of a two-dimensional dielectric lattice is reported. Both resonant scattering and photoluminescence spectra at low temperature show the anticrossing of the polariton branches, fingerprint of s...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201308] Published Mon Nov 16, 2009 D. Bajoni, D. Gerace, M. Galli, J. Bloch, R. Braive, I. Sagnes, A. Miard, A. Lemaître, M. Patrini, and L. C. Andreani 2009-11-16T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201308 Phys. Rev. B 80, 201308 text/html article Physical Review B 80 20 2009-11-16T00:00:00-05:00 201308 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.201309 Author(s): B. D. Schultz, N. Marom, D. Naveh, X. Lou, C. Adelmann, J. Strand, P. A. Crowell, L. Kronik, and C. J. Palmstrøm<br/>Spin injection efficiency is shown to strongly depend on the interfacial structure between Fe contacts and Al_{x} Ga_{1−x} As in spin-based light emitting diodes. Both the magnitude and sign of the injected carriers are dependent on the atomic structure of the contacts and can be controlled throug...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201309] Published Mon Nov 16, 2009 B. D. Schultz, N. Marom, D. Naveh, X. Lou, C. Adelmann, J. Strand, P. A. Crowell, L. Kronik, and C. J. Palmstrøm 2009-11-16T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201309 Phys. Rev. B 80, 201309 text/html article Physical Review B 80 20 2009-11-16T00:00:00-05:00 201309 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.201310 Author(s): Sergey Smirnov, Dario Bercioux, Milena Grifoni, and Klaus Richter<br/>Traditionally the charge ratchet effect is considered as a consequence of either the spatial symmetry breaking engineered by asymmetric periodic potentials, or time asymmetry of the driving fields. Here we demonstrate that electrically and magnetically driven quantum dissipative systems with spin-or...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201310] Published Mon Nov 16, 2009 Sergey Smirnov, Dario Bercioux, Milena Grifoni, and Klaus Richter 2009-11-16T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201310 Phys. Rev. B 80, 201310 text/html article Physical Review B 80 20 2009-11-16T00:00:00-05:00 201310 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.180202 Author(s): G. Weck, J. Eggert, P. Loubeyre, N. Desbiens, E. Bourasseau, J.-B. Maillet, M. Mezouar, and M. Hanfland<br/>We present synchrotron x-ray measurements in a diamond anvil cell of the molecular structure factor of H_{2} O and D_{2} O fluids up to 4.5 GPa and 500 K. We observe large changes in the structure factor and a dramatic increase in the oxygen coordination number over a 2 GPa pressure range. A P-T dia...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180202] Published Fri Nov 13, 2009 G. Weck, J. Eggert, P. Loubeyre, N. Desbiens, E. Bourasseau, J.-B. Maillet, M. Mezouar, and M. Hanfland 2009-11-13T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180202 Phys. Rev. B 80, 180202 text/html article Physical Review B 80 18 2009-11-13T00:00:00-05:00 180202 Inhomogeneous, disordered, and partially ordered systems Inhomogeneous, disordered, and partially ordered systems http://link.aps.org/doi/10.1103/PhysRevB.80.180413 Author(s): O. Mentré, E. Janod, P. Rabu, M. Hennion, F. Leclercq-Hugeux, J. Kang, C. Lee, M.-H. Whangbo, and S. Petit<br/>The magnetic properties of BiCu_{2} PO_{6} have been analyzed by means of magnetic-susceptibility and inelastic neutron-scattering measurements on powder samples by evaluating the spin-exchange interactions on the basis of density-functional calculations and by simulating the inelastic neutron scatt...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180413] Published Fri Nov 13, 2009 O. Mentré, E. Janod, P. Rabu, M. Hennion, F. Leclercq-Hugeux, J. Kang, C. Lee, M.-H. Whangbo, and S. Petit 2009-11-13T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180413 Phys. Rev. B 80, 180413 text/html article Physical Review B 80 18 2009-11-13T00:00:00-05:00 180413 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180505 Author(s): Ronny Thomale, Christian Platt, Jiangping Hu, Carsten Honerkamp, and B. Andrei Bernevig<br/>We use the functional renormalization group to analyze the phase diagram of a four-band model for the iron pnictides subject to band interactions with certain A_{1g} momentum dependence. We determine the parameter regimes where an extended s -wave pairing instability with and without nodes emerges. ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180505] Published Fri Nov 13, 2009 Ronny Thomale, Christian Platt, Jiangping Hu, Carsten Honerkamp, and B. Andrei Bernevig 2009-11-13T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180505 Phys. Rev. B 80, 180505 text/html article Physical Review B 80 18 2009-11-13T00:00:00-05:00 180505 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.201307 Author(s): Edward Likovich, Kasey Russell, Wei Yi, Venkatesh Narayanamurti, Keh-Chiang Ku, Meng Zhu, and Nitin Samarth<br/>In a GaMnAs/AlGaAs resonant tunneling diode (RTD) structure, we observe that both the magnitude and polarity of magnetoresistance are bias dependent when tunneling from a three-dimensional GaMnAs layer through a two-dimensional GaMnAs quantum well. This magnetoresistance behavior results from a shif...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> <img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 201307] Published Fri Nov 13, 2009 Edward Likovich, Kasey Russell, Wei Yi, Venkatesh Narayanamurti, Keh-Chiang Ku, Meng Zhu, and Nitin Samarth 2009-11-13T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.201307 Phys. Rev. B 80, 201307 text/html article Physical Review B 80 20 2009-11-13T00:00:00-05:00 201307 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.80.180410 Author(s): Snir Seri and Lior Klein<br/>The longitudinal resistance R_{xx} of the SrTiO_{3} /LaAlO_{3} interface with magnetic fields applied perpendicular to the interface has an antisymmetric term [namely, R_{xx} (H)≠R_{xx} (−H) ] which increases with decreasing temperature and increasing field. We argue that the origin of this phen...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180410] Published Thu Nov 12, 2009 Snir Seri and Lior Klein 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180410 Phys. Rev. B 80, 180410 text/html article Physical Review B 80 18 2009-11-12T00:00:00-05:00 180410 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180411 Author(s): V. S. Pribiag, G. Finocchio, B. J. Williams, D. C. Ralph, and R. A. Buhrman<br/>We report time and frequency domain studies of spin-torque-driven vortex self-oscillations at zero magnetic field. We observe two types of abrupt fluctuations in the frequency and amplitude, with very long random mean lifetimes ( ∼10^{2} to ∼10^{4} oscillation cycles). First, we observe fluctuat...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> <img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180411] Published Thu Nov 12, 2009 V. S. Pribiag, G. Finocchio, B. J. Williams, D. C. Ralph, and R. A. Buhrman 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180411 Phys. Rev. B 80, 180411 text/html article Physical Review B 80 18 2009-11-12T00:00:00-05:00 180411 Magnetism Magnetism