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A two dimensional hopping system with Rashba spin-orbit interaction is considered. Our main interest is concerned with the evolution of the spin degree of freedom of the electrons. We derive the rate equations governing the evolution of the…

凝聚态物理 · 物理学 2009-11-10 T. Damker , H. Boettger , V. V. Bryksin

The polarization controlled optical signal routing has many important applications in photonics such as polarization beam splitter. By using two-dimensional transmission lines with lumped elements, we experimentally demonstrate the…

介观与纳米尺度物理 · 物理学 2017-11-15 Zhiwei Guo , Haitao Jiang , Yang Long , Kun Yu , Jie Ren , Chunhua Xue , Hong Chen

Spin transport phenomena in solid materials suffer limitations from spin relaxation associated to disorder or lack of translational invariance. Ultracold atoms, free of that disorder, can provide a platform to observe phenomena beyond the…

量子气体 · 物理学 2019-06-26 Iryna Miatka , Marco Barbieri , Roberto Raimondi

Spin-orbit interactions are subwavelength phenomena which can potentially lead to numerous device related applications in nanophotonics. Here, we report Spin-Hall effect in the forward scattering of Hermite-Gaussian and Gaussian beams from…

The spin Hall effect (SHE), in which electrical current generates transverse spin current, plays an important role in spintronics for the generation and manipulation of spin-polarized electrons. The phenomenon originates from spin-orbit…

We study spin-orbital coupling effect on the Josephson current through a superconductor (SC) heterojunction, consisting of two s-wave superconductors and a two-dimensional electron gas (2DEG) layer between them. The Rashba-type (RSOC)…

超导电性 · 物理学 2009-11-13 Z. H. Yang , Y. H. Yang , J. Wang , K. S. Chan

Ballistic Josephson junctions are studied in the presence of a spin-splitting field and spin-orbit coupling. A generic expression for the quasi-classical Green's function is obtained and with its help we analyze several aspects of the…

超导电性 · 物理学 2016-07-27 François Konschelle , Ilya V. Tokatly , F. Sebastián Bergeret

A normal metallic film sandwiched between two insulators may have strong spin-orbit coupling near the metal-insulator interfaces, even if spin-orbit coupling is negligible in the bulk of the film. In this paper we study two technologically…

介观与纳米尺度物理 · 物理学 2023-07-19 J. Borge , C. Gorini , G. Vignale , R. Raimondi

We investigated effects of a Rashba-type spin-orbit coupling (SOC) on the condensed density and superfluid density tensor of a two-component Fermi gas in the BCS-BEC crossover at zero temperature. In anisotropic three dimensions (3D), we…

量子气体 · 物理学 2015-05-30 Kezhao Zhou , Zhidong Zhang

We consider the magnetic response of a two-dimensional electron gas (2DEG) with a spin-orbit interaction to a long-wave-length electromagnetic excitation. We observe that the transverse electric field creates spin polarization perpendicular…

介观与纳米尺度物理 · 物理学 2007-05-23 Alexander Shnirman , Ivar Martin

Theory predicts for the two-dimensional electrons gas with only Rashba spin-orbit interaction a vanishing spin Hall conductivity and at the same time a finite inverse spin Hall effect. We show how these seemingly contradictory results are…

介观与纳米尺度物理 · 物理学 2015-06-05 C. Gorini , R. Raimondi , P. Schwab

We discuss the electron spin resonance in two-dimensional electron gas at zero external magnetic field. This spin-resonance is due to the transitions between the electron states, which are split by the spin-orbit (SO) interaction, and is…

强关联电子 · 物理学 2007-05-23 A. Shekhter , M. Khodas , A. M. Finkel'stein

The spin Hall effect (SHE), which converts a charge current into a transverse spin current, has long been believed to be a phenomenon induced by the spin--orbit coupling. Here, we propose an alternative mechanism to realize the intrinsic…

材料科学 · 物理学 2021-06-22 Yang Zhang , Jakub Zelezny , Yan Sun , Jeroen van den Brink , Binghai Yan

We review the theoretical description of spin-orbit scattering and electron spin resonance in carbon nanotubes. Particular emphasis is laid on the effects of electron-electron interactions. The spin-orbit coupling is derived, and the…

强关联电子 · 物理学 2012-09-27 A. De Martino , R. Egger , F. Murphy-Armando , K. Hallberg

A useful experimental signature of the ordinary spin Hall effect is the spin accumulation it produces at the sample edges. The superspin Hall current [Phys. Rev. B 96, 094512 (2017)] is a transverse equilibrium spin current which is induced…

超导电性 · 物理学 2019-05-15 Vetle Risinggård , Jacob Linder

The spin Hall (SH) effect is a phenomenon in which the spin current flows perpendicular to an applied electric field and causes the spin accumulation at the boundaries. However, in the presence of spin-orbit couplings, the spin current is…

介观与纳米尺度物理 · 物理学 2022-05-13 Atsuo Shitade , Gen Tatara

We study spin Hall effect in a three terminal Y-shaped device in presence of tunable spin-orbit (SO) interactions via Landauer-B\"{u}ttiker formalism. We have evolved a fabrication technique for creating different angular separation between…

介观与纳米尺度物理 · 物理学 2017-04-26 Sudin Ganguly , Saurabh Basu

We demonstrate theoretically that a coherent manipulation of electron spins in low-dimensional semiconductor structures with spin-orbit coupling by infrared radiation is possible. The proposed approach is based on using a dipole force…

介观与纳米尺度物理 · 物理学 2010-09-28 E. Ya. Sherman , J. G. Muga , V. K. Dugaev , A. Ruschhaupt

Spin accumulation is generated by injecting an unpolarized charge current into a channel of GaAs two-dimensional electron gas subject to an in-plane magnetic field, then measured in a non-local geometry. Unlike previous measurements that…

介观与纳米尺度物理 · 物理学 2015-05-19 H. Ebrahimnejad , Y. Ren , S. M. Frolov , I. Adagideli , J. A. Folk , W. Wegscheider

Light carries spin and orbital angular momentum. These dynamical properties are determined by the polarization and spatial degrees of freedom of light. Modern nano-optics, photonics, and plasmonics, tend to explore subwavelength scales and…

光学 · 物理学 2016-11-22 K. Y. Bliokh , F. J. Rodriguez-Fortuno , F. Nori , A. V. Zayats