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Related papers: Polaron formation in the presence of Rashba spin-o…

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We utilize an exact variational numerical procedure to calculate the ground state properties of a polaron in the presence of a Rashba-like spin orbit interaction. Our results corroborate with previous work performed with the Momentum…

Strongly Correlated Electrons · Physics 2011-07-11 Zhou Li , L. Covaci , M. Berciu , D. Baillie , F. Marsiglio

Here the electron-phonon Holstein model with Rashba spin-orbit interaction is studied for a two dimensional square lattice in the adiabatic limit. It is demonstrated that a delocalized electron at zero spin-orbit coupling localizes into a…

Strongly Correlated Electrons · Physics 2015-05-14 C. Grimaldi

The continuous progress in fabricating low-dimensional systems with large spin-orbit couplings has reached a point in which nowadays materials may display spin-orbit splitting energies ranging from a few to hundreds of meV. This situation…

Strongly Correlated Electrons · Physics 2015-05-13 C. Grimaldi

In metals in the vicinity of a polar transition, interactions between electrons and soft phonon modes remain to be determined. Here we explore the consequences of spin-orbit assisted electron-phonon coupling on the collective modes of such…

Strongly Correlated Electrons · Physics 2023-12-27 Abhishek Kumar , Premala Chandra , Pavel A. Volkov

The Rashba effect is one of the most striking manifestations of spin-orbit coupling in solids, and provides a cornerstone for the burgeoning field of semiconductor spintronics. It is typically assumed to manifest as a momentum-dependent…

We utilize an exact variational numerical procedure to calculate the ground state properties of a polaron in the presence of Rashba and linear Dresselhaus spin-orbit coupling. We find that when the linear Dresselhaus spin-orbit coupling…

Strongly Correlated Electrons · Physics 2012-11-21 Zhou Li , L. Covaci , F. Marsiglio

In 2D systems with a spin-orbit interaction, magnetic focussing can be used to create a spatial separation of particles with different spin. Here we measure hole magnetic focussing for two different magnitudes of the Rashba spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2023-01-25 M. J. Rendell , S. D. Liles , A. Srinivasan , O. Klochan , I. Farrer , D. A. Ritchie , A. R. Hamilton

I discuss similitude and differences of spin-orbital effects for electrons in quantum wells with the Rashba coupling and for polaritons in semiconductor microcavities with TE-TM splitting. Contrary to the case of electron, the ground state…

Mesoscale and Nanoscale Physics · Physics 2022-12-07 Yuri G. Rubo

We investigate the production of spin-polarized currents in corrugated graphene nanoribbons. Such corrugations are modeled as multiple regions with Rashba spin-orbit interactions, where concave and convex curvatures are treated as Rashba…

Mesoscale and Nanoscale Physics · Physics 2020-07-08 Hernán Santos , A. Latgé , L. Brey , Leonor Chico

We propose a new Rashba-free mechanism to realize topological superconductivity with electron-phonon interaction. In the presence of a magnetic field, electron-phonon interaction with small momentum transfer is found to favor spin-triplet…

Superconductivity · Physics 2022-07-29 Shaozhi Li , Lun-Hui Hu , Rui-Xing Zhang , Satoshi Okamoto

We calculate the current-voltage characteristic of a one-dimensional band insulator with magnetic field and Rashba spin-orbit coupling which is connected to nonmagnetic leads. Without spin-orbit coupling we find a complete spin-filtering…

Mesoscale and Nanoscale Physics · Physics 2011-12-02 Thibaut Jonckheere , George Japaridze , Thierry Martin , Roland Hayn

Associated with spin-orbit coupling (SOC) and inversion symmetry breaking, Rashba spin polarization opens a new avenue for spintronic applications that was previously limited to ordinary magnets. However, spin polarization effects in actual…

Computational Physics · Physics 2016-10-12 Qihang Liu , Xiuwen Zhang , J. A. Waugh , D. S. Dessau , Alex Zunger

We theoretically demonstrate that a rotating electric-field component of circularly polarized microwave or terahertz light can induce electron-spin polarization within a few picoseconds in a two-dimensional electron system with the Rashba…

Strongly Correlated Electrons · Physics 2018-09-21 Masahito Mochizuki , Keisuke Ihara , Jun-ichiro Ohe , Akihito Takeuchi

We study the effect of the Rashba spin-orbit interaction in the quantum transport of carbon nanotubes with arbitrary chiralities. For certain spin directions, we find a strong spin-polarized electrical current that depends on the diameter…

Mesoscale and Nanoscale Physics · Physics 2016-04-28 Hernán Santos , A. Latgé , J. E. Alvarellos , Leonor Chico

Coupled spin-charge drift-diffusion equations are derived for a biased two-dimensional electron gas with weak Rashba spin-orbit interaction. The basic equations formally agree with recent results obtained for spin-orbit coupled small…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. V. Bryksin , P. Kleinert

We analyze theoretically optical generation of a spin-polarized charge current (photogalvanic effect) and spin polarization in graphene with Rashba spin-orbit coupling. An external magnetic field is applied in the graphene plane, which…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 M. Inglot , V. K. Dugaev , E. Ya. Sherman , J. Barnaś

A magnon and a phonon are the quanta of spin wave and lattice wave, respectively, and they can hybridize into a magnon polaron when their frequencies and wavenumbers match close enough the values at the exceptional point. Guided by an…

Applied Physics · Physics 2023-01-18 Shihao Zhuang , Jia-Mian Hu

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

Electrons with spin-orbit coupling moving in mesoscopic structures can often exhibit local spin polarization. In this paper, we study the influence of the Rashba coupling on the scattering of two-dimensional electrons from a circular disk.…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jr-Yu Yeh , Chung-Yu Mou , Ming-Che Chang

We study the effects of dipolar interactions on a Bose-Einstein condensate with synthetically generated Rashba spin-orbit coupling. The dipolar interaction we consider includes terms that couple spin and orbital angular momentum in a way…

Quantum Gases · Physics 2013-11-12 Ryan M. Wilson , Brandon M. Anderson , Charles W. Clark
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