Recent articles in Physical Review B

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Author(s): Junyeon Kim, Dongwook Go, Hanshen Tsai, Daegeun Jo, Kouta Kondou, Hyun-Woo Lee, and YoshiChika OtaniEfficient electrical generation of torque is desired to develop innovative magnetic nanodevices. The torque can be generated by charge to spin conversion of heavy-metal layers through their strong spin-orbit interaction followed by the injection...

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Author(s): S. Schulz, A. Yu. Vyazovskaya, G. Poelchen, A. Generalov, M. Güttler, M. Mende, S. Danzenbächer, M. M. Otrokov, T. Balasubramanian, C. Polley, E. V. Chulkov, C. Laubschat, M. Peters, K. Kliemt, C. Krellner, D. Yu. Usachov, and D. V. VyalikhWe present a combined experimental and theoretical study of the two-dimensional electron states at the...

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Author(s): V. M. Kovalev, K. Sonowal, and I. G. SavenkoWe develop a theory of the coherent photogalvanic effect (CPGE) in low-dimensional superconductors in the fluctuating regime. It manifests itself in the appearance of a stationary electric current of Cooper pairs under the action of two coherent electromagnetic fields of light with frequencies lying...[Phys....

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Author(s): Ying Li, Jiaxin Li, Minghong Qi, Cheng-Wei Qiu, and Hongsheng ChenWave propagation and diffusion in linear materials preserve local reciprocity in terms of a symmetric Green's function. For wave propagations, the relation between the fields entering and leaving a system is more relevant than the detailed information about the fields inside...

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Author(s): Qingming Li, Jian-Jun Liu, and Ying-Tao ZhangWe investigate the topological properties, energy spectrum, and persistent currents of a non-Hermitian ring with anti-Hermitian hopping terms. It is demonstrated that the anti-Hermitian hopping can effectively induce a synthetic gauge field. As the magnetic flux of the synthetic gauge field threads...

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Author(s): A. I. Popov, K. A. Zvezdin, Z. V. Gareeva, A. V. Kimel, and A. K. ZvezdinOur theoretical analysis shows that a femtosecond laser pulse can efficiently launch magnetization dynamics of Dy3+ ions in DyFeO3 and DyAlO3. Excitation of electrons from the ground state to the low-lying electronic level of Dy3+ ions by circularly or linearly polarized...

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Author(s): Edwin W. Huang, Kridsanaphong Limtragool, Chandan Setty, Ali A. Husain, Matteo Mitrano, Peter Abbamonte, and Philip W. PhillipsWe employ momentum-resolved electron energy loss spectroscopy (M-EELS) on Bi2.1Sr1.9CaCu2O8+x to resolve the issue of the kink feature in the electron dispersion widely observed in the cuprates. To this end, we utilize...

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Author(s): Sarah Jenkins, Roy W. Chantrell, and Richard F. L. EvansAntiferromagnetic spintronic devices have the potential to greatly outperform conventional ferromagnetic devices due to their ultrafast dynamics and high data density. A challenge in designing these devices is the control and detection of the orientation of the antiferromagnet. One of...

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Author(s): Brajesh Narayan and Awadhesh NarayanNon-Hermitian topological phases have gained widespread interest due to their unconventional properties, which have no Hermitian counterparts. In this work, we propose to use machine learning to identify and predict non-Hermitian topological phases, based on their winding number. We consider two exa...[Phys....

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Author(s): N. Bazazzadeh, M. Hamdi, F. Haddadi, A. Khavasi, A. Sadeghi, and S. M. MohseniWe investigate systematically the spin-Nernst effect in Néel and zigzag ordered honeycomb antiferromagnets. Monolayers of transition-metal trichalcogenides, MnPSe3, MnPS3, and VPS3 show an antiferromagnetic Néel order while CrSiTe3, NiPS3, and NiPSe3 show an antiferromagnetic...

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