English
Related papers

Related papers: Thermal Spin Orbit Torque with Dresselhaus Spin Or…

200 papers

We investigate the angular dependence of the spin torque generated when applying a temperature difference across a spin-valve. Our study shows the presence of a non-trivial fixed point in this angular dependence, i.e. the possibility for a…

Mesoscale and Nanoscale Physics · Physics 2014-10-29 David Luc , Xavier Waintal

We present a semiclassical theory of spin-diffusion in a ferromagnetic metal subject to a temperature gradient. Spin-flip scattering can generate pure thermal spin currents by short-circuiting spin channels while suppressing spin…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Moosa Hatami , Gerrit E. W. Bauer , Saburo Takahashi , Sadamichi Maekawa

Spin relaxation torque ${\cal T}$ in uniform metallic ferromagnets with the spin-orbit interaction arising from random impurities is calculated microscopically. ${\cal T}$ is shown to be written by spatial derivatives of the electric field,…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Noriyuki Nakabayashi , Akihito Takeuchi , Kazuhiro Hosono , Katsuhisa Taguchi , Gen Tatara

We report on a study of the temperature-dependence of current-induced effective magnetic fields due to spin-orbit interactions in the diluted ferromagnetic semiconductor (Ga,Mn)As. Contributions from the effective fields as well as from the…

Mesoscale and Nanoscale Physics · Physics 2014-07-10 B. Howells , K. W. Edmonds , R. P. Campion , B. L. Gallagher

We theoretically investigate the spin-dependent Seebeck effect in an Aharonov-Bohm mesoscopic ring in the presence of both Rashba and Dresselhaus spin-orbit interactions under magnetic flux perpendicular to the ring. We apply the Green's…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Bin Liu , Yunyun Li , Jun Zhou , Tsuneyoshi Nakayama , Baowen Li

The linear equations for transverse spin dynamics in weakly polarised degenerate Fermi liquid with arbitrary relationship between temperature and polarization are derived from Landau-Silin phenomenological kinetic equation with general form…

Statistical Mechanics · Physics 2009-11-10 V. P. Mineev

Motivated by recent experiments measuring the spin transport in ultracold unitary atomic Fermi gases (Sommer et al., 2011; Sommer et al., 2011), we explore the theory of spin and heat transport in a three-dimensional spin-polarized atomic…

Quantum Gases · Physics 2012-11-09 Hyungwon Kim , David A. Huse

The linear equations for transverse spin dynamics in a weakly polarized degenerate Fermi liquid with arbitrary relationship between temperature and polarization are derived from Landau-Silin phenomenological kinetic equation with general…

Strongly Correlated Electrons · Physics 2015-06-25 V. P. Mineev

Spin torques are at the heart of spin manipulations in spintronic devices. Here, we examine the existence of an optical spin-orbit torque, a relativistic spin torque originating from the spin-orbit coupling of an oscillating applied field…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Ritwik Mondal , Andreas Donges , Ulrich Nowak

We predict that the magnetization direction of a ferromagnet can be reversed by the spin-transfer torque accompanying spin-polarized thermoelectric heat currents. We illustrate the concept by applying a finite-element theory of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Moosa Hatami , Gerrit E. W. Bauer , Qinfang Zhang , Paul J. Kelly

Spin-transfer is a typical spintronics effect that allows a ferromagnetic layer to be switched by spin-injection. Most of the experimental results about spin transfer are described on the basis of the Landau-Lifshitz-Gilbert equation of the…

Materials Science · Physics 2015-06-25 J. -E. Wegrowe , C. Ciornei , H. -J. Drouhin

We propose a generalized stochastic Landau-Lifshitz equation and its corresponding Fokker-Planck equation for the magnetization dynamics in the presence of spin transfer torques. Since the spin transfer torque can pump a magnetic energy…

Materials Science · Physics 2009-11-10 Z. Li , S. Zhang

The angular dependence of the thermal transport in insulating or conducting ferromagnets is derived on the basis of the Onsager reciprocity relations applied to a magnetic system. It is shown that the angular dependence of the temperature…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 J. -E. Wegrowe , H. -J. Drouhin , D. Lacour

The transport equation for transverse vibrations of magnetization in spin polarized Fermi liquid is derived from integral equation for the vertex function. The dispersion law for the transverse spin waves is established. The existance of…

Statistical Mechanics · Physics 2007-05-23 V. P. Mineev

The magnetic phase transition is experimentally known to give rise to an anomalous temperature-dependence of the electron resistivity in ferromagnetic crystals. Phenomenological theories based on the interaction between itinerant electron…

Materials Science · Physics 2010-05-11 K. Akabli , H. T. Diep

A `toy model' - aimed at capturing the essential physics - is presented that jointly describes spin-polarized hot electron transport and spin pumping driven by local heating. These two processes both contribute to spin-current generation in…

Mesoscale and Nanoscale Physics · Physics 2022-12-21 Maarten Beens , Koen de Mare , Rembert Duine , Bert Koopmans

Spin polarization induced by a temperature gradient (heat-current) in a magnetized two-dimensional electron gas (2DEG) with Rashba spin-orbit interaction is considered theoretically within the linear response theory. Using the Matsubara…

Mesoscale and Nanoscale Physics · Physics 2018-08-15 A. Dyrdal , J. Barnas , V. K. Dugaev , J. Berakdar

Non-resonant ferromagnetic x-ray diffraction has been used to separate the spin and orbital contribution to the magnetization density of the proposed zero-moment ferromagnet $Sm_{0.982}Gd_{0.018} Al_{2}$. The alignment of the spin and…

Condensed Matter · Physics 2009-11-07 J. W. Taylor , J. A. Duffy , A. M. Bebb , M. R. Lees , L. Bouchenoire , S. D. Brown , M. J. Cooper

The thermal scalar and vector potential were introduced to investigate the thermal transport under a temperature gradient in terms of linear response theory[1,2]. However, the microscopic origin of these phenomenological thermal potentials…

Statistical Mechanics · Physics 2025-04-15 Zheng-Chuan Wang

We study the spin orbit torque arising from an intrinsic linear Dresselhaus spin-orbit coupling in a single layer III-V diluted magnetic semiconductor. We investigate the transport properties and spin torque using the linear response theory…

Mesoscale and Nanoscale Physics · Physics 2013-05-17 Hang Li , Xuhui Wang , Fatih Dogan , Aurelien Manchon