http://prb.aps.org/ Rapid Communications published in Phys. Rev. B en-us Copyright (c) 2009 The American Physical Society 2009-07-02T22:15:05-04:00 assocpub@aps.org rss@aps.org hourly 4 2009-07-02T22:15:05-04:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevB.80.020503 Author(s): Jacob Linder, Iver B. Sperstad, and Asle Sudbø<br/>We investigate Josephson junctions with superconducting ferropnictides, both in the diffusive and ballistic limit. We focus on the proposed s_{±} -wave state and find that the relative phase shift intrinsic to the s_{±} -wave state may provide 0-π oscillations in the Josephson current. This featu...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 020503] Published Thu Jul 02, 2009 Jacob Linder, Iver B. Sperstad, and Asle Sudbø 2009-07-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.020503 Phys. Rev. B 80, 020503 text/html article Physical Review B 80 2 2009-07-02T00:00:00-04:00 020503 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.020101 Author(s): L. F. Lundegaard, M. Marqués, G. Stinton, G. J. Ackland, R. J. Nelmes, and M. I. McMahon<br/>Ab initio electronic structure calculations on potassium at high pressure reveal that the orthorhombic oP8 structure, found recently in sodium, has a lower enthalpy in potassium than do other candidate crystal structures recently reported to be stable at high pressure [Y. Ma, A. R. Oganov, and Y. Xi...<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, 020101] Published Wed Jul 01, 2009 L. F. Lundegaard, M. Marqués, G. Stinton, G. J. Ackland, R. J. Nelmes, and M. I. McMahon 2009-07-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.020101 Phys. Rev. B 80, 020101 text/html article Physical Review B 80 2 2009-07-01T00:00:00-04:00 020101 Structure, structural phase transitions, mechanical properties, defects Structure, structural phase transitions, mechanical properties, defects http://link.aps.org/doi/10.1103/PhysRevB.80.020501 Author(s): C. Martin, R. T. Gordon, M. A. Tanatar, H. Kim, N. Ni, S. L. Bud’ko, P. C. Canfield, H. Luo, H. H. Wen, Z. Wang, A. B. Vorontsov, V. G. Kogan, and R. Prozorov<br/>We have studied the in- and out-of-plane magnetic penetration depths in the hole-doped iron-based superconductor Ba_{1−x} K_{x} Fe_{2} As_{2}  (T_{c} ≈30 K) . Single crystals grown from different fluxes and by different groups showed nearly identical results. The in-plane London penetration ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 020501] Published Wed Jul 01, 2009 C. Martin, R. T. Gordon, M. A. Tanatar, H. Kim, N. Ni, S. L. Bud’ko, P. C. Canfield, H. Luo, H. H. Wen, Z. Wang, A. B. Vorontsov, V. G. Kogan, and R. Prozorov 2009-07-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.020501 Phys. Rev. B 80, 020501 text/html article Physical Review B 80 2 2009-07-01T00:00:00-04:00 020501 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.020502 Author(s): S. O. Katterwe and V. M. Krasnov<br/>The in-phase (rectangular) fluxon lattice is required for achieving coherent THz emission from stacked Josephson junctions. Unfortunately, it is usually unstable due to mutual repulsion of fluxons in neighbor junctions, which favors the out-of-phase (triangular) lattice. Here we experimentally study...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 020502] Published Wed Jul 01, 2009 S. O. Katterwe and V. M. Krasnov 2009-07-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.020502 Phys. Rev. B 80, 020502 text/html article Physical Review B 80 2 2009-07-01T00:00:00-04:00 020502 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.80.041101 Author(s): Thomas Vojta<br/>We consider the behavior of the Grüneisen parameter, the ratio between thermal expansion and specific heat, at pressure-tuned infinite-randomness quantum-critical points and in the associated quantum Griffiths phases. We find that the Grüneisen parameter diverges as ln(T_{0} /T) with vanishing tem...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 041101] Published Wed Jul 01, 2009 Thomas Vojta 2009-07-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.041101 Phys. Rev. B 80, 041101 text/html article Physical Review B 80 4 2009-07-01T00:00:00-04:00 041101 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.80.041301 Author(s): J. Danon and Yu. V. Nazarov<br/>We study electron transport in a double quantum dot in the Pauli spin blockade regime in the presence of strong spin-orbit coupling. The effect of spin-orbit coupling is incorporated into a modified interdot tunnel coupling. We elucidate the role of the external magnetic field, the nuclear fields in...<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, 041301] Published Wed Jul 01, 2009 J. Danon and Yu. V. Nazarov 2009-07-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.041301 Phys. Rev. B 80, 041301 text/html article Physical Review B 80 4 2009-07-01T00:00:00-04:00 041301 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.79.241109 Author(s): P. D. García, R. Sapienza, L. S. Froufe-Pérez, and C. López<br/>We have performed measurements of the scattering mean free path (ℓ_{s} ) in photonic crystals with different and controlled amounts of disorder. In the most perfect crystals, 1 order of magnitude chromatic variation in ℓ_{s} for just 3% shift around the band gap (27 nm in wavelength) is obtained...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 241109] Published Tue Jun 30, 2009 P. D. García, R. Sapienza, L. S. Froufe-Pérez, and C. López 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241109 Phys. Rev. B 79, 241109 text/html article Physical Review B 79 24 2009-06-30T00:00:00-04:00 241109 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.79.241409 Author(s): Vasili Perebeinos and J. Tersoff<br/>Many calculations require a simple classical model for the interactions between sp^{2} -bonded carbon atoms, as in graphene or carbon nanotubes. Here we present a valence force model to describe these interactions. The calculated phonon spectrum of graphene and the nanotube breathing-mode energy agr...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 241409] Published Tue Jun 30, 2009 Vasili Perebeinos and J. Tersoff 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241409 Phys. Rev. B 79, 241409 text/html article Physical Review B 79 24 2009-06-30T00:00:00-04:00 241409 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.241110 Author(s): J. Nichols, D. Dominko, L. Ladino, J. Zhou, and J. W. Brill<br/>We have studied the frequency and voltage dependences of voltage-induced torsional strains in orthorhombic TaS_{3} [V. Y. Pokrovskii, S. G. Zybtsev, and I. G. Gorlova, Phys. Rev. Lett. 98, 206404 (2007)] by measuring the modulation of the resonant frequency of an rf cavity containing the sample. The...<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 79, 241110] Published Tue Jun 30, 2009 J. Nichols, D. Dominko, L. Ladino, J. Zhou, and J. W. Brill 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241110 Phys. Rev. B 79, 241110 text/html article Physical Review B 79 24 2009-06-30T00:00:00-04:00 241110 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.79.241408 Author(s): Fabian Meier, Vladimir Petrov, Sebastian Guerrero, Christopher Mudry, Luc Patthey, Jürg Osterwalder, and J. Hugo Dil<br/>The Fermi and Rashba energies of surface states in the Bi_{x} Pb_{1−x} /Ag(111) alloy can be tuned simultaneously by changing the composition parameter x . We report on unconventional Fermi surface spin textures observed by spin and angle-resolved photoemission spectroscopy that are correlated wit...<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 79, 241408] Published Tue Jun 30, 2009 Fabian Meier, Vladimir Petrov, Sebastian Guerrero, Christopher Mudry, Luc Patthey, Jürg Osterwalder, and J. Hugo Dil 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241408 Phys. Rev. B 79, 241408 text/html article Physical Review B 79 24 2009-06-30T00:00:00-04:00 241408 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.220102 Author(s): Anatoly B. Belonoshko, Anders Rosengren, Leonid Burakovsky, Dean L. Preston, and Börje Johansson<br/>The issue of melting of pure iron and iron alloyed with lighter elements at high pressure is critical to the physics of the Earth. The iron melting curve in the relevant pressure range between 3 and 4 Mbar is reasonably well established from the theoretical point of view. However, so far no one atte...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220102] Published Tue Jun 30, 2009 Anatoly B. Belonoshko, Anders Rosengren, Leonid Burakovsky, Dean L. Preston, and Börje Johansson 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220102 Phys. Rev. B 79, 220102 text/html article Physical Review B 79 22 2009-06-30T00:00:00-04:00 220102 Structure, structural phase transitions, mechanical properties, defects Structure, structural phase transitions, mechanical properties, defects http://link.aps.org/doi/10.1103/PhysRevB.79.220517 Author(s): F. Massee, Y. Huang, R. Huisman, S. de Jong, J. B. Goedkoop, and M. S. Golden<br/>We present tunneling data from superconducting BaFe_{1.86} Co_{0.14} As_{2} and its parent compound, BaFe_{2} As_{2} . In the superconductor, clear coherencelike peaks are seen across the whole field of view, and their analysis reveals nanoscale variations in the superconducting gap value, Δ . The ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220517] Published Tue Jun 30, 2009 F. Massee, Y. Huang, R. Huisman, S. de Jong, J. B. Goedkoop, and M. S. Golden 2009-06-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220517 Phys. Rev. B 79, 220517 text/html article Physical Review B 79 22 2009-06-30T00:00:00-04:00 220517 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.241406 Author(s): Marco Gibertini, Achintya Singha, Vittorio Pellegrini, Marco Polini, Giovanni Vignale, Aron Pinczuk, Loren N. Pfeiffer, and Ken W. West<br/>At low energy, electrons in doped graphene sheets behave like massless Dirac fermions with a Fermi velocity, which does not depend on carrier density. Here we show that modulating a two-dimensional electron gas with a long-wavelength periodic potential with honeycomb symmetry can lead to the creatio...<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 79, 241406] Published Mon Jun 29, 2009 Marco Gibertini, Achintya Singha, Vittorio Pellegrini, Marco Polini, Giovanni Vignale, Aron Pinczuk, Loren N. Pfeiffer, and Ken W. West 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241406 Phys. Rev. B 79, 241406 text/html article Physical Review B 79 24 2009-06-29T00:00:00-04:00 241406 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.241407 Author(s): Motohiko Ezawa<br/>The trigonal zigzag nanodisk with size N has N localized spins. We investigate its thermodynamical properties with and without external leads. Leads are made of zigzag graphene nanoribbons or ordinary metallic wires. There exists a quasiphase transition between the quasiferromagnet and quasiparamagn...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 241407] Published Mon Jun 29, 2009 Motohiko Ezawa 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241407 Phys. Rev. B 79, 241407 text/html article Physical Review B 79 24 2009-06-29T00:00:00-04:00 241407 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.220516 Author(s): Sergey L. Bud’ko, Ni Ni, and Paul C. Canfield<br/>We present detailed heat capacity measurements for Ba(Fe_{1−x} Co_{x} )_{2} As_{2} and Ba(Fe_{1−x} Ni_{x} )_{2} As_{2} single crystals in the vicinity of the superconducting transitions. The specific-heat jump at the superconducting transition temperature (T_{c} ), ΔC_{p} /T_{c} , changes by a ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220516] Published Mon Jun 29, 2009 Sergey L. Bud’ko, Ni Ni, and Paul C. Canfield 2009-06-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220516 Phys. Rev. B 79, 220516 text/html article Physical Review B 79 22 2009-06-29T00:00:00-04:00 220516 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.220515 Author(s): Amy Y. Liu<br/>The coexistence of charge-density waves and superconductivity in compressed 1T-TaS_{2} is investigated through density-functional calculations. It has been speculated that this coexistence arises from a real-space phase separation of insulating domains of the commensurate-charge-density-wave phase a...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220515] Published Fri Jun 26, 2009 Amy Y. Liu 2009-06-26T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220515 Phys. Rev. B 79, 220515 text/html article Physical Review B 79 22 2009-06-26T00:00:00-04:00 220515 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.241405 Author(s): Joaquín E. Drut and Timo A. Lähde<br/>The low-energy theory of graphene exhibits spontaneous chiral symmetry breaking due to pairing of quasiparticles and holes, corresponding to a semimetal-insulator transition at strong Coulomb coupling. We report a lattice Monte Carlo study of the critical exponents of this transition as a function o...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 241405] Published Thu Jun 25, 2009 Joaquín E. Drut and Timo A. Lähde 2009-06-25T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241405 Phys. Rev. B 79, 241405 text/html article Physical Review B 79 24 2009-06-25T00:00:00-04:00 241405 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.241108 Author(s): H. Němec, P. Kužel, F. Kadlec, C. Kadlec, R. Yahiaoui, and P. Mounaix<br/>We demonstrate experimentally and theoretically dielectric metamaterials exhibiting a tunable range of negative effective permeability in the terahertz spectral region (0.2–0.36 THz). Our structures consist of an array of intrinsically nonmagnetic rods made of an incipient ferroelectric SrTiO_{3} ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 241108] Published Wed Jun 24, 2009 H. Němec, P. Kužel, F. Kadlec, C. Kadlec, R. Yahiaoui, and P. Mounaix 2009-06-24T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241108 Phys. Rev. B 79, 241108 text/html article Physical Review B 79 24 2009-06-24T00:00:00-04:00 241108 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.79.220514 Author(s): S. Kawasaki, T. Motohashi, K. Shimada, T. Ono, R. Kanno, M. Karppinen, H. Yamauchi, and Guo-qing Zheng<br/>CoO_{2} is the parent compound for the superconductor Na_{x} CoO_{2} ⋅1.3H_{2} O and was widely believed to be a Mott insulator. We performed ^{59} Co nuclear magnetic resonance and nuclear quadrupole resonance studies on Li_{x} CoO_{2} ( x=0.35 , 0.25, 0.12, and 0.0) to uncover the electronic sta...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220514] Published Wed Jun 24, 2009 S. Kawasaki, T. Motohashi, K. Shimada, T. Ono, R. Kanno, M. Karppinen, H. Yamauchi, and Guo-qing Zheng 2009-06-24T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220514 Phys. Rev. B 79, 220514 text/html article Physical Review B 79 22 2009-06-24T00:00:00-04:00 220514 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.220513 Author(s): Pedro R. Bertussi, André L. Malvezzi, Thereza Paiva, and Raimundo R. dos Santos<br/>We consider local magnetic moments coupled to conduction electrons with on-site attraction in order to discuss the interplay between pairing and magnetic order. We probe the ground-state properties of this model on a one-dimensional lattice through pair binding energies and several correlation funct...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220513] Published Tue Jun 23, 2009 Pedro R. Bertussi, André L. Malvezzi, Thereza Paiva, and Raimundo R. dos Santos 2009-06-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220513 Phys. Rev. B 79, 220513 text/html article Physical Review B 79 22 2009-06-23T00:00:00-04:00 220513 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.241312 Author(s): Mauro Ribeiro, Leonardo R. C. Fonseca, and Luiz G. Ferreira<br/>We use the density functional theory/local-density approximation (DFT/LDA)-1/2 method [L. G. Ferreira , Phys. Rev. B 78, 125116 (2008)], which attempts to fix the electron self-energy deficiency of DFT/LDA by half-ionizing the whole Bloch band of the crystal, to calculate the band offsets of two Si/...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 241312] Published Tue Jun 23, 2009 Mauro Ribeiro, Leonardo R. C. Fonseca, and Luiz G. Ferreira 2009-06-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241312 Phys. Rev. B 79, 241312 text/html article Physical Review B 79 24 2009-06-23T00:00:00-04:00 241312 Semiconductors II: surfaces, interfaces, microstructures, and related topics Semiconductors II: surfaces, interfaces, microstructures, and related topics http://link.aps.org/doi/10.1103/PhysRevB.79.241404 Author(s): N. I. Cade, T. Ritman-Meer, and D. Richards<br/>We report on the resonant coupling between localized surface plasmon resonances (LSPRs) in nanostructured Ag films and an adsorbed monolayer of Rhodamine 6G dye. Hybridization of the plasmons and molecular excitons creates new coupled polaritonic modes, which have been tuned by varying the LSPR wave...<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 79, 241404] Published Tue Jun 23, 2009 N. I. Cade, T. Ritman-Meer, and D. Richards 2009-06-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241404 Phys. Rev. B 79, 241404 text/html article Physical Review B 79 24 2009-06-23T00:00:00-04:00 241404 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.220101 Author(s): C.-J. Eklund, C. J. Fennie, and K. M. Rabe<br/>First-principles calculations are used to investigate the effects of the epitaxial strain on the structure of the perovskite oxide CaTiO_{3} . At 1.5% tensile strain, we find an epitaxial orientation transition between the ab-ePbnm phase favored for compressive strains and the c-ePbnm phase. While n...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220101] Published Mon Jun 22, 2009 C.-J. Eklund, C. J. Fennie, and K. M. Rabe 2009-06-22T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220101 Phys. Rev. B 79, 220101 text/html article Physical Review B 79 22 2009-06-22T00:00:00-04:00 220101 Structure, structural phase transitions, mechanical properties, defects Structure, structural phase transitions, mechanical properties, defects http://link.aps.org/doi/10.1103/PhysRevB.79.220512 Author(s): Xiyu Zhu, Fei Han, Gang Mu, Peng Cheng, Bing Shen, Bin Zeng, and Hai-Hu Wen<br/>The superconductor Sr_{4} V_{2} O_{6} Fe_{2} As_{2} with transition temperature at 37.2 K was successfully fabricated. It has a layered structure with the space group of p4/nmm and with the lattice constants a=3.9296 Å and c=15.6732 Å . The observed large diamagnetization signal and zero resis...<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 79, 220512] Published Mon Jun 22, 2009 Xiyu Zhu, Fei Han, Gang Mu, Peng Cheng, Bing Shen, Bin Zeng, and Hai-Hu Wen 2009-06-22T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220512 Phys. Rev. B 79, 220512 text/html article Physical Review B 79 22 2009-06-22T00:00:00-04:00 220512 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.241402 Author(s): Yu. Bomze, H. Mebrahtu, I. Borzenets, A. Makarovski, and G. Finkelstein<br/>We measure tunneling through a single quantum level in a carbon nanotube quantum dot connected to resistive metal leads. For the electrons tunneling to/from the nanotube, the leads serve as a dissipative environment, which suppresses the tunneling rate. In the regime of sequential tunneling, the hei...<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 79, 241402] Published Mon Jun 22, 2009 Yu. Bomze, H. Mebrahtu, I. Borzenets, A. Makarovski, and G. Finkelstein 2009-06-22T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241402 Phys. Rev. B 79, 241402 text/html article Physical Review B 79 24 2009-06-22T00:00:00-04:00 241402 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.241403 Author(s): Andriy V. Moskalenko, Sergey N. Gordeev, Olivia F. Koentjoro, Paul R. Raithby, Robert W. French, Frank Marken, and Sergey E. Savel’ev<br/>Nanomechanical shuttles transferring electrons from one electrode to another, in groups or individually, offer a solution to the problem of controlled charge transport. We report the fabrication of shuttle junctions consisting of a gold nanoparticle embedded within the gap between two gold electrode...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 241403] Published Mon Jun 22, 2009 Andriy V. Moskalenko, Sergey N. Gordeev, Olivia F. Koentjoro, Paul R. Raithby, Robert W. French, Frank Marken, and Sergey E. Savel’ev 2009-06-22T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.241403 Phys. Rev. B 79, 241403 text/html article Physical Review B 79 24 2009-06-22T00:00:00-04:00 241403 Surface physics, nanoscale physics, low-dimensional systems Surface physics, nanoscale physics, low-dimensional systems http://link.aps.org/doi/10.1103/PhysRevB.79.220509 Author(s): Efstratios Manousakis<br/>When localized spins on different d orbitals prefer different types of antiferromagnetic ordering, the Hund’s rule coupling creates frustration. Using spin-wave theory we study the case of two such orbitals on a square lattice coupled through Hund’s rule such that the first one couples antiferro...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220509] Published Fri Jun 19, 2009 Efstratios Manousakis 2009-06-19T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220509 Phys. Rev. B 79, 220509 text/html article Physical Review B 79 22 2009-06-19T00:00:00-04:00 220509 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.220510 Author(s): M. D. Johannes and I. I. Mazin<br/>One year after their initial discovery, two schools of thought have crystallized regarding the electronic structure and magnetic properties of ferropnictide systems. One postulates that these are itinerant weakly correlated metallic systems that become magnetic by virtue of spin-Peierls-type transit...<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 79, 220510] Published Fri Jun 19, 2009 M. D. Johannes and I. I. Mazin 2009-06-19T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220510 Phys. Rev. B 79, 220510 text/html article Physical Review B 79 22 2009-06-19T00:00:00-04:00 220510 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.220511 Author(s): S. E. Hahn, Y. Lee, N. Ni, P. C. Canfield, A. I. Goldman, R. J. McQueeney, B. N. Harmon, A. Alatas, B. M. Leu, E. E. Alp, D. Y. Chung, I. S. Todorov, and M. G. Kanatzidis<br/>In the iron pnictides, the strong sensitivity of the iron magnetic moment to the arsenic position suggests a significant relationship between phonons and magnetism. We measured the phonon dispersion of several branches in the high-temperature tetragonal phase of CaFe_{2} As_{2} using inelastic x-ray...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 79, 220511] Published Fri Jun 19, 2009 S. E. Hahn, Y. Lee, N. Ni, P. C. Canfield, A. I. Goldman, R. J. McQueeney, B. N. Harmon, A. Alatas, B. M. Leu, E. E. Alp, D. Y. Chung, I. S. Todorov, and M. G. Kanatzidis 2009-06-19T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220511 Phys. Rev. B 79, 220511 text/html article Physical Review B 79 22 2009-06-19T00:00:00-04:00 220511 Superfluidity and superconductivity Superfluidity and superconductivity http://link.aps.org/doi/10.1103/PhysRevB.79.220507 Author(s): K. Cho, B. E. Smith, W. A. Coniglio, L. E. Winter, C. C. Agosta, and J. A. Schlueter<br/>We report upper critical-field measurements in the metal-free-all-organic superconductor β^{″} -(ET)_{2} SF_{5} CH_{2} CF_{2} SO_{3} obtained from measuring the in-plane penetration depth using the tunnel diode oscillator technique. For magnetic field applied parallel to the conducting planes the...<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 79, 220507] Published Thu Jun 18, 2009 K. Cho, B. E. Smith, W. A. Coniglio, L. E. Winter, C. C. Agosta, and J. A. Schlueter 2009-06-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.79.220507 Phys. Rev. B 79, 220507 text/html article Physical Review B 79 22 2009-06-18T00:00:00-04:00 220507 Superfluidity and superconductivity Superfluidity and superconductivity