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We investigate the spin diffusion and transport in a graphene monolayer on SiO$_2$ substrate by means of the microscopic kinetic spin Bloch equation approach. The substrate causes a strong Rashba spin-orbit coupling field $\sim 0.15$ meV,…

Mesoscale and Nanoscale Physics · Physics 2011-07-07 P. Zhang , M. W. Wu

The electronic band structure of monolayer phosphorene is thoroughly studied by considering the presence of spin-orbit interaction. We employ a multiorbital Slater-Koster tight-binding approach to derive effective k.p-type Hamiltonians that…

Mesoscale and Nanoscale Physics · Physics 2024-08-13 Mayra Peralta , Dennis A. Freire , Rafael González-Hernández , Francisco Mireles

Bulk hybride halide perovskites are governed by significant Rashba and Dresselhaus splitting. This indicates that such effects will not only affect their optoelectronic properties but also those of their two dimensional layered relatives.…

Materials Science · Physics 2022-05-04 Benedikt Maurer , Christian Vorwerk , Claudia Draxl

Quantum transport in semiconductor nanostructures can be described theoretically in terms of the propagation and scattering of electron probability waves. Within this approach, elements of a phase-coherent electric circuit play a role…

Mesoscale and Nanoscale Physics · Physics 2007-11-18 U. Zuelicke , A. I. Signal

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

Full ranges of both hybrid plasmon-mode dispersions and their damping are studied systematically by our recently developed mean-field theory in open systems involving a conducting substrate and a two-dimensional (2D) material with a buckled…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Andrii Iurov , Godfrey Gumbs , Danhong Huang , Liubov Zhemchuzhna

We use a perturbative approach to study the effects of interfacial spin-orbit coupling in magnetic multilayers by treating the two-dimensional Rashba model in a fully three-dimensional description of electron transport near an interface.…

Mesoscale and Nanoscale Physics · Physics 2017-10-04 Kyoung-Whan Kim , Kyung-Jin Lee , Jairo Sinova , Hyun-Woo Lee , M. D. Stiles

In this work, we explore the intriguing spin-momentum locking phenomenon within the Rashba states of antimony (Sb) films. By combining spin pumping with the flow of an external charge current, we reveal the topological properties of surface…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 J. E. Abrão , E. Gomes da Silva , G. Rodrigues-Junior , J. B. S. Mendes , A. Azevedo

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

We consider the magnetic response of a two-dimensional electron gas (2DEG) with both Rashba and Dresselhaus spin-orbit coupling to a microwave excitation. We generalize the results of [A. Shnirman and I. Martin, Europhys. Lett. 78, 27001…

Mesoscale and Nanoscale Physics · Physics 2009-01-22 Mikhail Pletyukhov , Alexander Shnirman

We describe the simultaneous effects of the spin-orbit (SO) perturbation and a magnetic field $B$ on a disk shaped quantum dot (QD). {As it is known the} combination of electrostatic forces among the $N$ electrons confined in the QD and the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. Bellucci , P. Onorato

A two dimensional hopping system with Rashba spin-orbit interaction is considered. Our main interest is concerned with the evolution of the spin degree of freedom of the electrons. We derive the rate equations governing the evolution of the…

Condensed Matter · Physics 2009-11-10 T. Damker , H. Boettger , V. V. Bryksin

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

The spin-degeneracy of Bloch bands in a crystal can be lifted when spin-orbit (SO) coupling is present and inversion symmetry is absent. In two-dimensional electron systems (2DES) spin-degeneracy is lifted by Rashba interaction terms -…

Strongly Correlated Electrons · Physics 2013-07-16 Guru Khalsa , Byounghak Lee , A. H. MacDonald

The recent discovery of topological flat bands in twisted transition metal dichalcogenide homobilayers and multilayer graphene has sparked significant research interest. We propose a new platform for realizing tunable topological moire flat…

Materials Science · Physics 2025-07-08 Xilong Xu , Haonan Wang , Li Yang

Recent studies using Terahertz Time-Domain Spectroscopy (THz-TDS) with spintronic emitters as a source have revealed distinct signatures of the Rashba effect. This effect, which arises from the breaking of inversion symmetry in…

We develop a theory of designing slit experiments in two-dimensional electron systems with the Rashba spin-orbit interaction. By simulating the spatiotemporal dynamics of electrons passing through a single slit or a double slit, we find…

Mesoscale and Nanoscale Physics · Physics 2020-01-22 Kotaro Shimizu , Masahito Mochizuki

Inorganic-organic lead halide perovskites, particularly methylammonium lead halide (MAPbI$_3$) perovskite, is perceived to be a promising material for optoelectronics and spintronics. However, lead toxicity and instability under air and…

Materials Science · Physics 2022-12-07 Megha Arya , Preeti Bhumla , Sajjan Sheoran , Suraj , S Bhattacharya

A spin interferometer utilizing the Rashba effect is proposed. The novel design is composed of a one-dimensional (1D) straight wire and a 1D half-ring. By calculating the norm of the superposed wave function, we derive analytical…

Mesoscale and Nanoscale Physics · Physics 2011-11-09 Ming-Hao Liu , Kuo-Wei Chen , Son-Hsien Chen , Ching-Ray Chang

Spin motive force induced by the Rashba interaction in the presence of strong sd interaction between conduction electron and localized spin is theoretically studied. The motive force is calculated by evaluating the time-derivative of the…

Mesoscale and Nanoscale Physics · Physics 2013-02-06 Gen Tatara , Noriyuki Nakabayashi , Kyun-Jin Lee