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相关论文: Spin resolved Hall effect driven by spin-orbit cou…

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Spin current and accumulation generated by the electric field in spin Hall insulator (SHI) are investigated theoretically in terms of the Keldysh formalism. In contrast to the quantum Hall system, there are no massless edge modes in…

介观与纳米尺度物理 · 物理学 2009-11-11 Masaru Onoda , Naoto Nagaosa

We study transport in normal metals in an external magnetic field. This system exhibits an interplay between a transverse spin imbalance (spin Hall effect) caused by the spin-orbit interaction, a Hall effect via the Lorentz force, and spin…

介观与纳米尺度物理 · 物理学 2009-11-11 R. V. Shchelushkin , Arne Brataas

We calculate the spin-Hall conductivity for a two-dimensional electron gas within the self-consistent Born approximation, varying the strength and type of disorder. In the weak disorder limit we find both analytically and numerically a…

介观与纳米尺度物理 · 物理学 2007-05-23 Roberto Raimondi , Peter Schwab

We study the dependence of the intrinsic spin Hall effect on the crystal symmetry and geometry of experiment. The spin current is obtained and the Hall voltage caused by the polarization of the electron spins is computed. The unique…

介观与纳米尺度物理 · 物理学 2009-11-03 E. M. Chudnovsky

In this contribution, we start off from a fully relativistic description of a single electron non-minimally coupled to an external electromagnetic field. Making direct use of the field equation, instead of canonically deriving from the…

介观与纳米尺度物理 · 物理学 2020-02-24 Rodrigo Turcati , Carlos Andres Bonilla Quintero , José Abdalla Helayël-Neto , Enrique Arias

Scattering theory is employed to derive a Landauer-type formula for the spin and the charge currents, through a finite region where spin-orbit interactions are effective. It is shown that the transmission matrix yields the spatial direction…

介观与纳米尺度物理 · 物理学 2015-05-14 O. Entin-Wohlman , A. Aharony , Y. Tokura , Y. Avishai

We show that pure spin Hall current, flowing out of a four-terminal phase-coherent two-dimensional electron gas (2DEG) within inversion asymmetric semiconductor heterostructure, contains contributions from both the extrinsic mechanisms…

介观与纳米尺度物理 · 物理学 2007-05-23 Branislav K. Nikolic , Liviu P. Zarbo

We theoretically investigate the generation of spin current from a uniformly rotating body with impurity scattering on the basis of the spin dependent transport equation. The spin current is created mainly in the radial direction when a…

介观与纳米尺度物理 · 物理学 2015-05-27 Mamoru Matsuo , Jun'ichi Ieda , Eiji Saitoh , Sadamichi Maekawa

We study the spin-Hall effect in systems with weak cubic Rashba spin-orbit interaction. To this end we derive particle and spin diffusion equations and explicit expressions for the spin-current tensor in the diffusive regime. We discuss the…

无序系统与神经网络 · 物理学 2009-11-11 O. Bleibaum , S. Wachsmuth

We study the edge spin current and spin polarization in a two-dimensional electron gas with spin-orbit coupling in the presence of a perpendicular magnetic field. The edge effect removes the degeneracy of Landau levels due to the…

介观与纳米尺度物理 · 物理学 2007-05-23 Yun-Juan Bao , Huai-Bing Zhuang , Shun-Qing Shen , Fu-Chun Zhang

We present a simple and pedagogical derivation of the spin current as the linear response to an external electric field for both Rashba and Luttinger spin-orbital coupling Hamiltonians. Except for the adiabatic approximation, our derivation…

介观与纳米尺度物理 · 物理学 2009-11-10 Jiangping Hu , Bogdan A. Bernevig , Congjun Wu

Conceptual framework behind the intrinsic spin Hall effect in three-dimensional conductors is discussed. Theory suggests how the spin Hall current should depend on symmetry and orientation of the crystal.

介观与纳米尺度物理 · 物理学 2008-05-20 E. M. Chudnovsky

We provide a theoretical framework for the electric field control of the electron spin in systems with diffusive electron motion. The approach is valid in the experimentally important case where both intrinsic and extrinsic spin-orbit…

介观与纳米尺度物理 · 物理学 2009-09-10 R. Raimondi , P. Schwab

Using mapping between topological defects in an easy-plane magnet and electrical charges, we study interplay between vorticity and spin currents. We demonstrate that the flow of vorticity is accompanied by the transverse spin current…

介观与纳米尺度物理 · 物理学 2022-12-16 Edward Schwartz , Hamed Vakili , Moaz Ali , Alexey A. Kovalev

In this review, we describe in detail two important spin-transport phenomena: the extrinsic spin-Hall effect (coming from spin-orbit interactions between electrons and impurities) and the spin-Coulomb drag. The interplay of these two…

介观与纳米尺度物理 · 物理学 2015-05-13 E. M. Hankiewicz , G. Vignale

We study the spin current induced spin-Hall effect that a longitudinal spin dependent chemical potential $qV_{s=x,y,z}$ induces a transverse spin conductances $G^{ss'}$. A four terminal system with Rashba and Dresselhaus spin-orbit…

介观与纳米尺度物理 · 物理学 2007-05-23 Yanxia Xing , Qing-feng Sun , Jian Wang

The spin Hall effect in a two-dimensional electron system on honeycomb lattice with both intrinsic and Rashba spin-orbit couplings is studied numerically. Integer quantized spin Hall conductance is obtained at zero Rashba coupling limit…

介观与纳米尺度物理 · 物理学 2009-11-11 L. Sheng , D. N. Sheng , C. S. Ting , F. D. M. Haldane

A nonequilibrium Green's functions approach to spin-Hall effect is developed in a diffusive two-dimensional electron system with Rashba spin-orbit interaction. In the presence of long-range impurities, the coupled quantum kinetic equations…

材料科学 · 物理学 2007-05-23 S. Y. Liu , X. L. Lei

Similar to the Landauer electric dipole created around an impurity by the electric current, a spin polarized cloud of electrons can be induced by the intrinsic spin-Hall effect near a spin independent elastic scatterer. It is shown that in…

介观与纳米尺度物理 · 物理学 2009-11-11 A. G. Mal'shukov , C. S. Chu

We consider the spin-orbit-induced spin Hall effect and spin swapping in diffusive superconductors. By employing the non-equilibrium Keldysh Green's function technique in the quasiclassical approximation, we derive coupled transport…

介观与纳米尺度物理 · 物理学 2017-02-22 Camilla Espedal , Peter Lange , Severin Sadjina , A. G. Mal'shukov , Arne Brataas