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We analyze the ordered state of nuclear spins embedded in an interacting two-dimensional electron gas (2DEG) with Rashba spin-orbit interaction (SOI). Stability of the ferromagnetic nuclear-spin phase is governed by nonanalytic dependences…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Robert Andrzej Zak , Dmitrii L. Maslov , Daniel Loss

Magneto-transport properties of a two-dimensional electron gas in a chain of planar quantum rings are investigated under the Rashba spin-orbit interaction and a transverse homogeneous magnetic field. A modulation potential function models…

Mesoscale and Nanoscale Physics · Physics 2025-07-30 Armen Harutyunyan

We derive an effective continuum model for describing the propagation of electrons in ballistic one-dimensional curved nanostructure which are marked by a strong interplay of spin-orbital degrees of freedom due to local electronic states…

Mesoscale and Nanoscale Physics · Physics 2019-12-19 G. Francica , P. Gentile , M. Cuoco

Spin-orbit interaction is investigated in a dual gated InAs/GaSb quantum well. Using an electric field the quantum well can be tuned between a single carrier regime with exclusively electrons as carriers and a two-carriers regime where…

We show that the conductivity of a two-dimensional electron gas can be intrinsically anisotropic despite isotropic Fermi surface, energy dispersion, and disorder configuration. In the model we study, the anisotropy stems from the interplay…

Mesoscale and Nanoscale Physics · Physics 2019-07-24 Maxim Trushin , Antonio H. Castro Neto , Giovanni Vignale , Dimitrie Culcer

Strong Rashba spin-orbit coupling (SOC) of the two-dimensional electron gas (2DEG) at the oxide interface $\mathrm{LaAlO_{3}/SrTiO_{3}}$ underlies a variety of exotic physics, but its nature is still under debate. We derive an effective…

Mesoscale and Nanoscale Physics · Physics 2015-06-10 Jianhui Zhou , Wen-Yu Shan , Di Xiao

The unconventional magnetotransport at the interface between transition-metal oxides $LaAlO_3$ (LAO) and $SrTiO_3$ (STO) is frequently related to mobile electrons interacting with localized magnetic moments. However nature and properties of…

Mesoscale and Nanoscale Physics · Physics 2017-05-30 N. Bovenzi , M. Diez

The quantum geometry plays a crucial role in the nonlinear transport of quantum materials. Here, we use the Boltzmann transport formalism to study the magnetic control of nonlinear transport induced by the quantum metric in two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2025-07-15 Xu Chen , Mingbo Dou , Qin Zhang , Xianjie Wang , M. Ye. Zhuravlev , A. V. Nikolaev , L. L. Tao

We study the edge states in a two dimensional electron gas with a transverse magnetic field and Rashba spin-orbit coupling. In the bulk, the interplay between the external field perpendicular to the gas plane and the spin-orbit coupling…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Reynoso , Gonzalo Usaj , M. J. Sanchez , C. A. Balseiro

Magnetic anisotropies often originate from the spin-orbit coupling and determine magnetic ordering patterns. We develop a microscopic theory for DC electric-field controls of magnetic anisotropies in magnetic Mott insulators and discuss its…

Strongly Correlated Electrons · Physics 2024-03-15 Shunsuke C. Furuya , Masahiro Sato

The spin-orbit interaction is a key tool for manipulating and functionalizing spin-dependent electron transport. However, the precise value of the spin-orbit coupling constant is hard to determine and control. Here we propose a measurement…

Mesoscale and Nanoscale Physics · Physics 2022-07-19 R. I. Shekhter , O. Entin-Wohlman , M. Jonson , A. Aharony

We investigate the the itinerant ferromagnetism in a dipolar Fermi atomic system with the anisotropic spin-orbit coupling (SOC),which is traditionally explored with isotropic contact interaction.We first study the ferromagnetism transition…

We investigate spin-to-charge conversion via the Edelstein effect in a 2D Rashba electron gas using the semiclassical Boltzmann approach. We analyze the magnetization arising from the direct Edelstein effect, taking into account an…

Mesoscale and Nanoscale Physics · Physics 2025-03-27 Irene Gaiardoni , Mattia Trama , Alfonso Maiellaro , Claudio Guarcello , Francesco Romeo , Roberta Citro

We address the electromagnetic properties of two-dimensional electron gas confined by a dielectric environment in the presence of both Rashba and Dresselhaus spin-orbit interactions. It is demonstrated that off-diagonal components of the…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Dmitry Yudin , Dmitry R. Gulevich , Ivan A. Shelykh

Spin transport was studied in a two-dimensional electron gas hosted in a wide GaAs quantum well occupying two subbands. Using space and time Kerr rotation microscopy to image drifting spin packets under an in-plane accelerating electric…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 N. M . Kawahala , F. C. D. Moraes , G. M. Gusev , A. K. Bakarov , F. G. G. Hernandez

We study the tunability of the spin-orbit interaction in a two-dimensional electron gas with a front and a back gate electrode by monitoring the spin precession frequency of drifting electrons using time-resolved Kerr rotation. The Rashba…

Mesoscale and Nanoscale Physics · Physics 2009-07-14 M. Studer , G. Salis , K. Ensslin , D. C. Driscoll , A. C. Gossard

Aiming at the optimization of the spin diffusion length in (001) GaAs quantum wells, we explore the effect of the anisotropy of the spin-orbit coupling on the competition between the Rashba and the Dresselhaus spin-orbit couplings by…

Materials Science · Physics 2007-05-23 J. L. Cheng , M. W. Wu , I. C. da Cunha Lima

We study the spin edge states, induced by the combined effect of Bychkov-Rashba spin-orbit, Zeeman interactions and inhomogeneous magnetic field, exposed perpendicularly to two-dimensional electron systems. We calculate analytically the…

Mesoscale and Nanoscale Physics · Physics 2013-10-03 Vahram Grigoryan

The effects of the spin-orbit interaction on the tunneling magnetoresistance of magnetic tunnel junctions are investigated. A model in which the experimentally observed two-fold symmetry of the anisotropic tunneling magnetoresistance (TAMR)…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Matos-Abiague , J. Fabian

One-body mechanisms of spin splitting of the energy spectrum of 2D electrons in a one-side doped (001) GaAs/Al$_x$Ga$_{1-x}$As quantum well have been studied theoretically and experimentally. The interfacial spin splitting has been shown to…

Mesoscale and Nanoscale Physics · Physics 2014-10-10 Zh. A. Devizorova , A. V. Shchepetilnikov , Yu. A. Nefyodov , V. A. Volkov , I. V. Kukushkin