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Magnetic impurities inserted in a $s$-wave superconductor give rise to spin-polarized in-gap states called Shiba states. We study the back-action of these induced states on the dynamics of the classical moments. We show that the Shiba state…

Mesoscale and Nanoscale Physics · Physics 2021-03-24 Archana Mishra , So Takei , Pascal Simon , Mircea Trif

Spin-orbit interaction and structure inversion asymmetry in combination with magnetic ordering is a promising route to novel materials with highly mobile spin-polarized carriers at the surface. Spin-resolved measurements of the…

For graphene nanoribbons with Rashba spin-orbit coupling, the peculiar magnetic response due to the presence of a magnetization and geometric confinement are analyzed within a tight-binding model. We observe a sizable transverse…

Mesoscale and Nanoscale Physics · Physics 2021-07-14 Matheus S. M. de Sousa , Manfred Sigrist , Wei Chen

We investigate the effect of spin orbit coupling on proximity induced superconductivity in a normal metal attached to a superconductor. Specifically, we consider a heterostructure where the presence of interfaces gives rise to a Rashba spin…

Superconductivity · Physics 2023-05-30 Vivek Mishra , Yu Li , Fu-Chun Zhang , Stefan Kirchner

We present a theoretical study on the effect of radiation on the mangetoresistance of two-dimensional electron systems with strong Rashba spint-orbit coupling. We want to study the interplay between two well-known effects in these electron…

Mesoscale and Nanoscale Physics · Physics 2017-04-06 Jesus Inarrea

We report distinct nonanalytic signatures in the spin-orbit entanglement of a 2D electron gas with Rashba interactions at integer values of the filling factor and at certain level crossings. The accompanying sharp changes in the bulk…

Strongly Correlated Electrons · Physics 2016-05-16 Rona F. Barbarona , Francis N. C. Paraan

Here, we study diffusive spin transport in two dimensions and demonstrate that an intrinsic analog to a previously predicted extrinsic spin swapping effect, where the spin polarization and the direction of flow are interchanged due to…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Severin Sadjina , Arne Brataas , A. G. Mal'shukov

We study a proximity junction between a conventional s-wave superconductor and a conductor with Rashba spin-orbit coupling, with a specific focus on the spin structure of the induced pairing amplitude. We find that spin-triplet pairing…

Mesoscale and Nanoscale Physics · Physics 2015-10-23 Christopher R. Reeg , Dmitrii L. Maslov

We study the effects of a magnetic impurity on the behavior of a $S=1/2$ spin chain. At T=0, both with and without an applied uniform magnetic field, an oscillating magnetization appears, whose decay with the distance from the impurity is…

Statistical Mechanics · Physics 2009-11-13 Tony Apollaro , Alessandro Cuccoli , Andrea Fubini , Francesco Plastina , Paola Verrucchi

We study anisotropic magnetoresistance (AMR) in a spin-polarized two-dimensional electron gas with Rashba spin-orbit coupling and nonmagnetic disorder collision. We show that AMR exists, arising from the combined effect of in-plane…

Mesoscale and Nanoscale Physics · Physics 2009-11-05 C. M. Wang , M. Q. Pang

We studied the electric current induced in a two-dimensional electron gas by the spin current, in the presence of Rashba and cubic Dresselhaus spin-orbit interactions. We found out that the factor relating these currents is not universal,…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 L. Y. Wang , A. G. Mal'shukov , C. S. Chu

In materials lacking inversion symmetry, the spin-orbit coupling enables the direct connection between the electron's spin and its linear momentum, a phenomenon called inverse spin galvanic effect. In magnetic materials, this effect…

Mesoscale and Nanoscale Physics · Physics 2019-07-17 Abdulkarim Hariri , Meshal Alawein , Aurelien Manchon

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 study theoretically the dynamics of a Shiba state forming around precessing classical spin in an s-wave superconductor. Utilizing a rotating wave description for the precessing magnetic impurity, we find the resulting Shiba bound state…

Mesoscale and Nanoscale Physics · Physics 2017-05-10 V. Kaladzhyan , S. Hoffman , M. Trif

A key concept in the emerging field of spintronics is the gate voltage or electric field control of spin precession via the effective magnetic field generated by the Rashba spin orbit interaction. Here, we demonstrate the generation and…

Mesoscale and Nanoscale Physics · Physics 2012-09-04 Dong Liang , Xuan P. A. Gao

We calculate the efficiency of infrared optical spin injection in single-layer graphene with Rashba spin-orbit coupling and for in-plane magnetic field. The injection rate in the photon frequency range corresponding to the Rashba splitting…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 M. Inglot , V. K. Dugaev , E. Ya. Sherman , J. Barnaś

When the inversion symmetry is broken at a surface, spin-orbit interaction gives rise to spin-dependent energy shifts - a phenomenon which is known as the spin Rashba effect. Recently, it has been recognized that an orbital counterpart of…

Mesoscale and Nanoscale Physics · Physics 2017-04-28 Dongwook Go , Jan-Philipp Hanke , Patrick M. Buhl , Frank Freimuth , Gustav Bihlmayer , Hyun-Woo Lee , Yuriy Mokrousov , Stefan Blügel

Orbital currents and accumulation provide a new avenue to boost spintronic effects in nanodevices. Here we use interconversion effects between charge current and orbital angular momentum to demonstrate a dramatic increase in the magnon spin…

Mesoscale and Nanoscale Physics · Physics 2024-01-03 J. A. Mendoza-Rodarte , M. Cosset-Chéneau , B. J. van Wees , M. H. D. Guimarães

We study the effect of the Rashba spin-orbit coupling on the Fermi arcs of topological Dirac semimetals. The Rashba coupling is induced by breaking the inversion symmetry at the surface. Remarkably, this coupling could be enhanced by the…

Mesoscale and Nanoscale Physics · Physics 2021-02-12 Yuriko Baba , Francisco Domínguez-Adame , Gloria Platero , Rafael A. Molina

We study the effects of Rashba spin-orbit coupling on the spin torque induced by spin waves, which are the plane wave dynamics of magnetization. The spin torque is derived from linear response theory, and we calculate the dynamic spin…

Materials Science · Physics 2015-12-21 Nobuyuki Umetsu , Daisuke Miura , Akimasa Sakuma
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