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The dynamics of magnetization coupled to an electron gas via s-d exchange interaction is investigated by using density matrix technique. Our theory shows that non-equilibrium spin accumulation induces a spin torque and the electron bath…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Yong Wang , Wei-qiang Chen , Fu-Chun Zhang

The spin-orbit interaction is a key tool for manipulating and functionalizing spin-dependent electron transport. However, the precise value of the spin-orbit coupling constant is hard to determine and control. Here we propose a measurement…

Mesoscale and Nanoscale Physics · Physics 2022-07-19 R. I. Shekhter , O. Entin-Wohlman , M. Jonson , A. Aharony

By converting conventional spin-singlet Cooper pairs to polarized spin-triplet pairs, it is possible to sustain long-ranged spin-polarized supercurrents flowing through strongly polarized ferromagnets. Obtaining such a conversion via…

Superconductivity · Physics 2020-01-01 Johannes R. Eskilt , Morten Amundsen , Niladri Banerjee , Jacob Linder

The spin orbit coupling spin torque consists of the field-like [REF: S.G. Tan et al., arXiv:0705.3502, (2007).] and the damping-like terms [REF: H. Kurebayashi et al., Nature Nanotechnology 9, 211 (2014).] that have been widely studied for…

Mesoscale and Nanoscale Physics · Physics 2015-11-16 Seng Ghee Tan , Mansoor B. A. Jalil

Weak localization corrections to conductivity of ferromagnetic systems are studied theoretically in the case when spin-orbit interaction plays a significant role. Two cases are analyzed in detail: (i) the case when the spin-orbit…

Materials Science · Physics 2009-11-07 V. K. Dugaev , P. Bruno , J. Barnas

The spin-charge coupled dynamics in a thin, magnetized metallic system are investigated. The effective driving force acting on the charge carriers is generated by a dynamical magnetic texture, which can be induced, e.g., by a magnetic…

Mesoscale and Nanoscale Physics · Physics 2017-03-06 Sebastian Tölle , Ulrich Eckern , Cosimo Gorini

Using the Kubo formalism, the magnetic properties of the system in the linear regime have been investigated. Mainly the effect of non-magnetic substrate on the spin susceptibility is calculated. Results show that the Rashba coupling…

Mesoscale and Nanoscale Physics · Physics 2015-07-20 Fatemeh Delkhosh , A. Phirouznia

The z axis magnetization of a two dimensional electron gas with contact repulsive interaction and in presence of a Rashba potential is computed by means of quantum field theory at second order. A striking effect of the pure Rashba…

Mesoscale and Nanoscale Physics · Physics 2011-12-21 Alberto Ambrosetti , Pier Luigi Silvestrelli , Flavio Toigo

We investigate the spin dynamics of electrons in quantum wells where the Rashba type of spin-orbit coupling is present in the form of random nanosize domains. We study the effect of magnetic field on the spin relaxation in these systems and…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. M. Glazov , E. Ya. Sherman

Rashba effect describes how electrons moving in an electric field experience a momentum dependent magnetic field that couples to the electron angular momentum (spin). This physical phenomenon permits the generation of spin polarization from…

Mesoscale and Nanoscale Physics · Physics 2018-05-16 Florent Auvray , Jorge Puebla , Mingran Xu , Bivas Rana , Daisuke Hashizume , Yoshichika Otani

The inverse Faraday effect (IFE) refers to the generation of a DC magnetization by circularly polarized light through the transfer of optical angular momentum to electronic degrees of freedom. In conducting systems, this response can arise…

Mesoscale and Nanoscale Physics · Physics 2026-03-16 Jaglul Hasan , Chandan Setty

Current-induced magnetic domain wall motion, induced by transfer of spin transfer effect due to exchange interaction, is expected to be useful for next generation high-density storages. We here show that efficient domain wall manipulation…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Katsunori Obata , Gen Tatara

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

A novel method and nanodevice are introduced that allows to rotate the single electron spin confined in a gated electrostatic InSb nanowire quantum dot. Proposed method does not require application of any (oscillating or static) external…

Mesoscale and Nanoscale Physics · Physics 2016-01-22 J. Pawłowski , P. Szumniak , S. Bednarek

The presence of spin-orbit coupling affects the spontaneously flowing persistent currents in mesoscopic conducting rings. Here we analyze their dependence on magnetic flux with emphasis on identifying possibilities to prove the presence and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Janine Splettstoesser , Michele Governale , Ulrich Zuelicke

We study spin control for an electron confined in a flake of silicene. We find that the lowest-energy conduction-band levels are split by the diagonal intrinsic spin-orbit coupling into Kramers doublets with a definite projection of the…

Mesoscale and Nanoscale Physics · Physics 2018-04-30 Bartlomiej Szafran , Alina Mrenca-Kolasinska , Bartlomiej Rzeszotarski , Dariusz Zebrowski

In this article, we review recent theoretical research on photocontrol of magnetism in several spin-charge coupled systems. The control of magnetism with light has been a central issue in condensed-matter physics, attracting enormous…

Strongly Correlated Electrons · Physics 2025-05-09 Masahito Mochizuki

The strength of the (Rashba-type) spin-orbit coupling in mesoscopic semiconductor rings can be tuned with external gate voltages. Here we consider the case of a periodically changing spin-orbit interaction strength as induced by sinusoidal…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Peter Foldi , Mihaly G. Benedict , Orsolya Kalman , F. M. Peeters

Based on the Keldysh formalism, the Boltzmann kinetic equation and the drift diffusion equation have been derived for studying spin polarization flow and spin accumulation under effect of the time dependent Rashba spin-orbit interaction in…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. S. Tang , A. G. Mal'shukov , K. A. Chao

Spin-orbit torque in magnetic domain walls was investigated by solving the Pauli-Schr\"{o}dinger equation for the itinerant electrons. The Rashba interaction considered is derived from the violation of inversion symmetry at interfaces…

Mesoscale and Nanoscale Physics · Physics 2019-08-21 D. Wang , Yan Zhou