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We explore the impact of a Rashba-type spin-orbit interaction in the conduction band on the spin dynamics of hot excitons in diluted magnetic semiconductor quantum wells. In materials with strong spin-orbit coupling, we identify parameter…

Mesoscale and Nanoscale Physics · Physics 2019-07-30 Florian Ungar , Pablo Ignacio Tamborenea , Vollrath Martin Axt

Magnetization dynamics in a ferromagnet can induce a spin-dependent electric field through spin motive force. Spin current generated by the spin-dependent electric field can in turn modify the magnetization dynamics through spin-transfer…

Mesoscale and Nanoscale Physics · Physics 2012-05-29 Kyoung-Whan Kim , Jung-Hwan Moon , Kyung-Jin Lee , Hyun-Woo Lee

In this review article we describe spin-dependent transport in materials with spin-orbit interaction of Rashba type. We mainly focus on semiconductor heterostructures, topological insulators, graphene and hybrid structures involving…

Mesoscale and Nanoscale Physics · Physics 2015-09-29 Dario Bercioux , Procolo Lucignano

We investigate the bulk-boundary correspondence in two-dimensional type-I semi-Dirac materials with band inversion and Rashba spin-orbit coupling. Employing a dimensional reduction framework, we identify the Zak phase along the…

Mesoscale and Nanoscale Physics · Physics 2025-06-02 Marta García-Olmos , Yuriko Baba , Alexander López , Mario Amado , Rafael A. Molina

Chiral semiconductors such as elemental tellurium (Te) exhibit unconventional spin textures and large charge-to-spin conversion efficiencies, yet the influence of introducing elements on these properties remains underexplored. Here, we…

Materials Science · Physics 2025-03-10 Sonam Phuntsho

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…

Mesoscale and Nanoscale Physics · Physics 2012-08-02 S. K. Firoz Islam , Tarun Kanti Ghosh

We developed the theory of electronic properties of semiconductor quantum rings with the Rashba spin-orbit interaction irradiated by an off-resonant high-frequency electromagnetic field (dressing field). Within the Floquet theory of…

Mesoscale and Nanoscale Physics · Physics 2018-04-30 V. K. Kozin , I. V. Iorsh , O. V. Kibis , I. A. Shelykh

We present numerical calculations of the ballistic spin-transport properties of quasi-one-dimensional wires in the presence of the spin-orbit (Rashba) interaction. A tight-binding analog of the Rashba Hamiltonian which models the Rashba…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Francisco Mireles , George Kirczenow

We observe a giant spin-orbit splitting in bulk and surface states of the non-centrosymmetric semiconductor BiTeI. We show that the Fermi level can be placed in the valence or in the conduction band by controlling the surface termination.…

Quantum wires with periodic local Rashba spin-orbit couplings are proposed for a higher performance of spin field-effect transistor. Fano-Rashba quantum interference due to the spin-dependent modulated structure gives rise to a broad energy…

Mesoscale and Nanoscale Physics · Physics 2008-12-20 L. Wang , K. Shen , S. Y. Cho , M. W. Wu

We demonstrate that the interplay between structural geometry and Rashba spin-orbit coupling generates nontrivial topological phases in honeycomb nanoribbon heterostructures. We consider an armchair nanoribbon in which a Rashba spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2026-04-23 Hao-Ru Wu , Jhih-Shih You , Yiing-Rei Chen , Hong-Yi Chen

The bulk Rashba semiconductors BiTeX (X=I, Cl and Br) with intrinsically enhanced Rashba spin-orbit coupling provide a new platform for investigation of spintronic and magnetic phenomena in materials. We theoretically investigate the…

Mesoscale and Nanoscale Physics · Physics 2019-07-17 Mahmoud M. Asmar , Wang-Kong Tse

We investigate the spin accumulation effect in eccentric semiconductor multichannel rings with Rashba spin-orbit interaction and threaded by a magnetic flux. Due to the finite eccentricity, the spin polarization induced at the borders of…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 L. E. Segura , M. J. Sánchez

How ferromagnetic phases emerge in itinerant systems is an outstanding problem in quantum magnetism. Here we consider a repulsive two-component Fermi gas confined in a two dimensional isotropic harmonic potential and subject to a large…

Quantum Gases · Physics 2016-04-13 Shang-Shun Zhang , Wu-Ming Liu , Han Pu

The (001) surface of SrTiO3 were transformed from insulating to conducting after Ar+ irradiation, producing a quasi two-dimensional electron gas (2DEG). This conducting surface layer can introduce Rashba spin orbital coupling due to the…

Materials Science · Physics 2017-01-02 Wenxu Zhang , Qiuru Wang , Bin Peng , Huizhong Zeng , Wee Tee Soh , Chong Kim Ong , Wanli Zhang

We consider a single electron confined within a quantum wire in a system of two electrostatically-induced QDs defined by nearby gates. The time-varying electric field, of single GHz frequency, perpendicular to the quantum wire, is used to…

Mesoscale and Nanoscale Physics · Physics 2021-07-19 J. Pawłowski , G. Skowron , P. Szumniak , S. Bednarek

In a ferromagnetic heterostructure, the interplay between a Rashba spin-orbit coupling and an exchange field gives rise to a current-driven spin torque. In a realistic device setup, we investigate the Rashba spin torque in the diffusive…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Christian Ortiz Pauyac , Xuhui Wang , Mairbek Chshiev , Aurelien Manchon

We study spin torques induced by Rashba spin-orbit coupling in two-dimensional ferromagnets under the good-metal condition $\epsilon_{F}\tau/\hbar\gg1$ ($\epsilon_{F}$ the Fermi energy, $\tau$ the electron lifetime) by employing the Kubo…

Mesoscale and Nanoscale Physics · Physics 2017-07-21 Cong Xiao , Qian Niu

The effect of the Rashba spin orbit coupling (RSOC) on the topological properties of the one-dimensional (1D) extended $s$-wave superconducting Hamiltonian, in the presence of strong electron-electron correlation, is investigated. It is…

Strongly Correlated Electrons · Physics 2025-06-13 Kaushal Kumar Kesharpu , Evgenii A. Kochetov , Alvaro Ferraz

A new nonlinear magnetothermal effect, namely unidirectional Seebeck effect(USE), has been recently reported in magnetic/nonmagnetic topological insulator (TI) heterostructure and is ascribed to the asymmetry magnon scattering. Here, we…

Mesoscale and Nanoscale Physics · Physics 2023-04-05 Ge-Hui Zhu , Ying-Li Wu , Jia-Liang Wan , Xiao-Qin Yu
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