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Related papers: Modulated Rashba interaction in a quantum wire: Sp…

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We consider a model for a one-dimensional quantum wire with Rashba spin-orbit coupling and repulsive interactions, proximity coupled to a conventional s-wave superconductor. Using a combination of Hartree-Fock and density matrix…

Mesoscale and Nanoscale Physics · Physics 2015-04-30 Arbel Haim , Anna Keselman , Erez Berg , Yuval Oreg

We present a general model with both Rashba and Dresselhaus spin-orbit couplings to describe a two-dimensional noncentrosymmetric superconductor. The combined effects of the two spin-orbit couplings on superconductivity are investigated in…

Superconductivity · Physics 2022-03-23 Xu Yan , Qiang Gu

Spin-orbit coupling in solids describes an interaction between an electron's spin, an internal quantum-mechanical degree of freedom, with its linear momentum, an external property. Spin-orbit interaction, due to its relativistic nature, is…

Mesoscale and Nanoscale Physics · Physics 2014-08-07 J. Shabani , Younghyun Kim , A. P. McFadden , R. M. Lutchyn , C. Nayak , C. J. palmstrøm

In a recent Rapid Communication (Phys. Rev. B {\bf 63}, 121210(R) (2001)), Ha\"usler showed that the interaction between electrons in quantum wires may enhance the persistent spin current arising from Rashba spin-orbital coupling. In this…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Yue Yu

We consider the effect of the Rashba spin-orbital interaction and space charge in a ferromagnet-insulator/semiconductor/insulator-ferromagnet junction where the spin current is severely affected by the doping, band structure and charge…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Wei Wu , Jinbin Li , Yue Yu , S. T. Chui

We study the effects caused by Rashba and Dresselhaus spin-orbit coupling over the thermoelectric transport properties of a single-electron transistor, viz., a quantum dot connected to one-dimensional leads. Using linear response theory and…

Mesoscale and Nanoscale Physics · Physics 2022-05-04 M. A. Manya , G. B. Martins , M. S. Figueira

In a ferromagnetic metal layer, the coupled charge and spin diffusion equations are obtained in the presence of both Rashba spin-orbit interaction and magnetism. The mis-alignment between the magnetization and the non-equilibrium spin…

Mesoscale and Nanoscale Physics · Physics 2012-03-14 Xuhui Wang , Aurelien Manchon

Spin-orbit interaction (SOI) in low-dimensional systems results in the fascinating property of spin-momentum locking. In a Rashba system the inversion symmetry normal to the plane of a two-dimensional (2D) electron gas is broken, generating…

Materials Science · Physics 2013-02-22 Bartosz Slomski , Gabriel Landolt , Gustav Bihlmayer , Jürg Osterwalder , J. Hugo Dil

We theoretically studied the in-plane tunneling spectroscopy of the hybrid structure composed of a metal and a semiconductor with Rashba spin-orbit coupling. We found that the energy spacing between two distinct features in the conductance…

Mesoscale and Nanoscale Physics · Physics 2008-05-28 B Srisongmuang , P Pairor , M Berciu

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

We report on a theoretical study of spin dynamics of an ensemble of spin-polarized electrons injected in a diffusive microchannel with linear Rashba and Dresselhaus spin-orbit coupling. We explore the dependence of the spin-precession and…

Mesoscale and Nanoscale Physics · Physics 2010-11-23 Liviu P. Zarbo , Jairo Sinova , Irena Knezevic , J. Wunderlich , T. Jungwirth

A key concept in the emerging field of spintronics is the electric field control of spin precession via the effective magnetic field generated by the Rashba spin orbit interaction (RSOI). Here, by extensive Density Matrix Renormalization…

Strongly Correlated Electrons · Physics 2020-07-29 G. L. Rossini , D. C. Cabra , G. I. Japaridze

Spin drag measurements were performed in a two-dimensional electron system set close to the crossed spin helix regime and coupled by strong intersubband scattering. In a sample with uncommon combination of long spin lifetime and high charge…

Mesoscale and Nanoscale Physics · Physics 2017-07-05 M. Luengo-Kovac , F. C. D. Moraes , G. J. Ferreira , A. S. L. Ribeiro , G. M. Gusev , A. K. Bakarov , V. Sih , F. G. G. Hernandez

We present analysis of the interacting quantum wire problem in the presence of magnetic field and spin-orbit interaction. We show that an interesting interplay of Zeeman and spin-orbit terms, facilitated by the electron-electron…

Strongly Correlated Electrons · Physics 2007-05-23 Jianmin Sun , Suhas Gangadharaiah , Oleg A. Starykh

Large Rashba effect efficiently tuned by an external electric field is highly desired for spintronic devices. Using first-principles calculations, we demonstrate that large Rashba splitting is locked at conduction band minimum in…

Materials Science · Physics 2019-09-10 Yan Song , Dong Zhang , Ben Xu , Kai Chang , Ce-Wen Nan

We investigate a possibility of pair electron-electron e-e collisions in a ballistic wire with spin-orbit coupling and only one populated mode. Unlike in a spin-degenerate system, a combination of spin-splitting in momentum space with a…

Mesoscale and Nanoscale Physics · Physics 2018-09-12 V. S. Khrapai , K. E. Nagaev

The spin-orbit splitting of the electron levels in a two-dimensional quantum dot in a perpendicular magnetic field is studied. It is shown that at the point of an accidental degeneracy of the two lowest levels above the ground state the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Denis V. Bulaev , Daniel Loss

We present the first findings of the spin transistor effect caused by the Rashba gate-controlled ring embedded in the p-type self-assembled silicon quantum well that is prepared on the Si (100) surface. The coherence and phase sensitivity…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 N. T. Bagraev , N. G. Galkin , W. Gehlhoff , L. E. Klyachkin , A. M. Malyarenko , I. A. Shelykh

We investigate intersubband polaritons formed in the asymmetric quantum well (AQW) embedded into the semiconductor microcavity and study the effects of spin-orbit interaction (SOI) acting on intersubband excitations. The spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2013-03-05 O. Kyriienko , I. A. Shelykh

Electron spin precession in nonuniform Rashba-Dresselhaus two-dimensional electron systems along arbitrary continuous paths is investigated. We derive an analytical formula to describe the spin vectors (expectation values of the injected…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ming-Hao Liu , Ching-Ray Chang