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Two-dimensional systems with Rashba spin-orbit coupling are not Galilean invariant and therefore electron--electron collisions in them may affect the current. However when taken alone, they cannot ensure a nonzero dc resistivity, so their…

介观与纳米尺度物理 · 物理学 2021-09-03 K. E. Nagaev

We calculate the electrical and thermal conductivity of a two-dimensional electron gas with strong spin--orbit coupling in which the scattering is dominated by electron--electron collisions. Despite the apparent absence of Galilean…

介观与纳米尺度物理 · 物理学 2020-10-14 K. E. Nagaev , A. A. Manoshin

In order to model the phase-coherent scattering of electrons in two-dimensional electron gases in the presence of Rashba spin-orbit coupling, a general partial-wave expansion is developed for scattering from a cylindrically symmetric…

介观与纳米尺度物理 · 物理学 2009-11-11 Jamie D. Walls , Jian Huang , Robert M. Westervelt , Eric J. Heller

The conductivity of a two-dimensional electron gas in a parallel magnetic field is calculated. We take into account the magnetic field induced spin-splitting, which changes the density of states, the Fermi momentum and the screening…

介观与纳米尺度物理 · 物理学 2009-10-31 V. T. Dolgopolov , A. Gold

The problem of scattering of the two-dimensional electron gas on the lateral one-dimensional superlattice both having different strengths of Rashba spin-orbit coupling is investigated. The scattering is considered for all the electron…

介观与纳米尺度物理 · 物理学 2009-11-11 D. V. Khomitsky

Electronic bound states around charged impurities in two-dimensional systems with structural inversion asymmetry can be described in terms of a two-dimensional hydrogen atom in the presence of a Rashba spin-orbit interaction. Here, the…

介观与纳米尺度物理 · 物理学 2009-11-13 C. Grimaldi

We study the scattering of an electron in a definite state of spin at an interface of an hybrid system with a Rashba spin-orbit coupling on one side. Out of the normal incidence the double refraction phenomenon appears, with one or two…

介观与纳米尺度物理 · 物理学 2007-05-23 V. Marigliano Ramaglia , V. Cataudella , G. De Filippis , C. A. Perroni , F. Ventriglia

Motivated by recent discovery of strongly spin-orbit coupled two-dimensional (2D) electron gas near the surface of Rashba semiconductors BiTeX (X=Cl, Br, I), we calculate thermoelectric responses of spin polarization in 2D Rashba model…

介观与纳米尺度物理 · 物理学 2016-01-19 Cong Xiao , Dingping Li , Zhongshui Ma

Thermoelectric coefficients of a two dimensional electron gas with the Rashba spin-orbit interaction are presented here. In absence of magnetic field, thermoelectric coefficients are enhanced due to the Rashba spin-orbit interaction. In…

介观与纳米尺度物理 · 物理学 2012-08-02 S. K. Firoz Islam , Tarun Kanti Ghosh

The Harper-Hofstadter problem for two-dimensional electron gas with Rashba spin-orbit coupling subject to periodic potential and perpendicular magnetic field is studied analytically and numerically. The butterfly-like energy spectrum,…

介观与纳米尺度物理 · 物理学 2009-11-11 V. Ya. Demikhovskii , A. A. Perov

We present the generalization of the two-dimensional quantum scattering formalism to systems with Rashba spin-orbit coupling. Using symmetry considerations, we show that the differential scattering cross section depends on the spin state of…

介观与纳米尺度物理 · 物理学 2007-07-26 Andras Palyi , Jozsef Cserti

The z axis magnetization of a two dimensional electron gas with contact repulsive interaction and in presence of a Rashba potential is computed by means of quantum field theory at second order. A striking effect of the pure Rashba…

介观与纳米尺度物理 · 物理学 2011-12-21 Alberto Ambrosetti , Pier Luigi Silvestrelli , Flavio Toigo

Motivated by the remarkable experimental control of synthetic gauge fields in ultracold atomic systems, we investigate the effect of an artificial Rashba spin-orbit coupling on the spin polarization of a two-dimensional repulsive Fermi gas.…

We revisited the influence of electron-electron scattering on the resistivity of a two-dimensional system with linear spectrum. In conventional systems with parabolic spectrum, where Umklapp scattering is either prohibited or ineffective…

介观与纳米尺度物理 · 物理学 2025-05-19 V. M. Kovalev , M. V. Entin , Z. D. Kvon , A. D. Levin , V. A. Chitta , G. M. Gusev , N. N. Mikhailov

We show that a result equivalent to Overhauser's famous Hartree-Fock instability theorem can be established for the case of a two-dimensional electron gas in the presence of Rashba spin-obit coupling. In this case it is the spatially…

介观与纳米尺度物理 · 物理学 2010-08-12 George E. Simion , Gabriele F. Giuliani

We calculate the spin-Hall conductivity of a disordered two-dimensional Rashba electron gas within the self-consistent Born approximation and for arbitrary values of the electron density, parametrized by the ratio $E_F /E_0$, where $E_F$ is…

介观与纳米尺度物理 · 物理学 2009-11-11 C. Grimaldi , E. Cappelluti , F. Marsiglio

Spin polarization of a two-dimensional electron gas with Rashba spin-orbit interaction, induced by a thermo-current, is considered theoretically. It is shown that a temperature gradient gives rise to an in-plane spin polarization of the…

介观与纳米尺度物理 · 物理学 2013-08-27 A. Dyrdał , M. Inglot , V. K. Dugaev , J. Barnaś

We briefly review the phenomenon of the spin-double refraction that originates at an interface separating a two-dimensional electron gas with Rashba spin-orbit coupling from a one without. We demonstrate how this phenomenon in semiconductor…

介观与纳米尺度物理 · 物理学 2007-05-23 D. Bercioux , V. Marigliano Ramaglia

We study potential scattering in a two-dimensional electron gas with Rashba spin-orbit coupling in the limit that the energy of the scattering electron approaches the bottom of the lower spin-split band. Focusing on two spin-independent…

介观与纳米尺度物理 · 物理学 2016-12-21 Joel Hutchinson , Joseph Maciejko

We use the Hirsch-Fye quantum Monte Carlo method to study the single magnetic impurity problem in a two-dimensional electron gas with Rashba spin-orbit coupling. We calculate the spin susceptibility for various values of spin-orbit…

强关联电子 · 物理学 2016-08-24 Liang Chen , Jinhua Sun , Ho-Kin Tang , Hai-Qing Lin
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