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

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We study spin accumulation and spin transfer torque in a domain wall by solving the Boltzmann equation with a diffusion approximation. We obtained the analytical expressions of spin accumulation and spin transfer torque. Both the adiabatic…

Mesoscale and Nanoscale Physics · Physics 2009-06-25 Tomohiro Taniguchi , Jun Sato , Hiroshi Imamura

We study thermal transport in a classical one-dimensional Heisenberg model employing a discrete time odd even precessional update scheme. This dynamics equilibrates a spin chain for any arbitrary temperature and finite value of the…

Statistical Mechanics · Physics 2015-03-20 Debarshee Bagchi , P. K. Mohanty

We study the energy and spin transport of the classical spin liquid hosted by the pyrochlore Heisenberg antiferromagnet in the large $S$ limit. Molecular dynamics calculation suggests that both the energy and spin diffusion constants…

Strongly Correlated Electrons · Physics 2021-02-19 Yao Wang , Yuan Wan

We demonstrate a room temperature spin dynamo where the precession of electron spins in ferromagnets driven by microwaves manifests itself in a collective way by generating d.c. currents. The current/power ratio is at least three orders of…

Materials Science · Physics 2007-05-23 Y. S. Gui , N. Mecking , X. Zhou , G. Williams , C. -M. Hu

The spin polarization measurements of particles emitted in heavy-ion collisions have opened the possibility for new phenomenological investigations of spin physics in relativistic fluids. The theoretical predictions of global polarization…

Nuclear Theory · Physics 2022-12-13 M. Buzzegoli , F. Becattini , G. Inghirami , I. Karpenko , A. Palermo

Recent experiments [Jo et al., Science 325, 1521 (2009)] have presented evidence of ferromagnetic correlations in a two-component ultracold Fermi gas with strong repulsive interactions. Motivated by these experiments we consider spin drag,…

Quantum Gases · Physics 2010-06-04 R. A. Duine , Marco Polini , H. T. C. Stoof , G. Vignale

We study the non-equilibrium coherent spin mixing dynamics in ferromagnetic spin-1 and antiferromagnetic spin-2 thermal gases of ultracold $^{87}$Rb atoms. Long lasting spin population oscillations with magnetic field dependent resonances…

Atomic and Molecular Clusters · Physics 2015-06-19 Xiaodong He , Bing Zhu , Xiaoke Li , Fudong Wang , Zhifang Xu , Dajun Wang

Spin transfers in magnetic multilayers offers a promising pathway toward ultrafast, energy-efficient spintronic devices. In this study, we investigate the interfacial spin pumping and temperature-dependent spin current exchange in a…

Mesoscale and Nanoscale Physics · Physics 2026-02-02 Mahammad Tahir , Swati Pandey , Sourabh Manna , Rajdeep Singh Rawat , Rohit Medwal , Soumik Mukhopadhyay

We show that the propagation of spin polarized carriers may be dramatically affected by {\em inhomogeneous} electric fields. Surprisingly, the spin diffusion length is found to strongly depend on the sign and magnitude of electric field…

Materials Science · Physics 2009-11-11 Dan Csontos , Sergio E. Ulloa

Larmor's theorem holds for magnetic systems that are invariant under spin rotation. In the presence of spin-orbit coupling this invariance is lost and Larmor's theorem is broken: for systems of interacting electrons, this gives rise to a…

Mesoscale and Nanoscale Physics · Physics 2017-07-12 Shahrzad Karimi , Florent Baboux , Florent Perez , Carsten A. Ullrich , Grzegorz Karczewski , Tomasz Wojtowicz

Thermal entanglement of a two-qubit Heisenberg chain in presence of the Dzyaloshinski-Moriya (DM) anisotropic antisymmetric interaction and entanglement teleportation when using two independent Heisenberg chains as quantum channel are…

Quantum Physics · Physics 2009-11-13 Guo-Feng Zhang

Using the wave nature of the electrons, we demonstrate that a transverse spin current can be generated simply by the diffraction through a single slit in the spin-orbital coupling system of the two-dimensional electron gas. The diffracted…

Mesoscale and Nanoscale Physics · Physics 2010-11-19 Chyh-Hong Chern , Cheng-Ju Lin

We study the role of thermal fluctuations on the spin dynamics of a thin permalloy film with a focus on the behavior of spin torque and find that the thermally assisted spin torque results in new aspects of the magnetization dynamics. In…

Mesoscale and Nanoscale Physics · Physics 2013-11-14 L. Chotorlishvili , Z. Toklikishvili , A. Sukhov , P. P. Horley , V. K. Dugaev , V. R. Vieira , S. Trimper , J. Berakdar

The spin-diffusion constant of the 2D $t-J$ model is calculated for the first time using an analytical approach at high temperatures and a recently-developed numerical method based on the Lanczos technique combined with random sampling in…

Condensed Matter · Physics 2009-10-22 J. Bonca , J. Jaklic

In a two-dimensional ferromagnetic metal layer lacking inversion symmetry, the itinerant electrons mediate the interaction between the Rashba spin-orbit interaction and the ferromagnetic order parameter, leading to a Rashba spin torque…

Materials Science · Physics 2011-11-24 Xuhui Wang , Aurelien Manchon

The propagation of magnons in temperature gradients is investigated within the framework of an atomistic spin model with the stochastic Landau-Lifshitz-Gilbert equation as underlying equation of motion. We analyze the magnon accumulation,…

Materials Science · Physics 2016-05-17 Ulrike Ritzmann , Denise Hinzke , Ulrich Nowak

Since the discovery of the giant magnetoresistance (GMR) effect the use of the intrinsic angular momentum of the electrons has opened up new spin based device concepts. The two channel model of spin-up and spin-down electrons with…

Mesoscale and Nanoscale Physics · Physics 2014-12-24 F. K. Dejene , J. Flipse , G. E. W. Bauer , B. J. van Wees

We study the real-time dynamics of spin chains driven out of thermal equilibrium by an initial temperature gradient T_L \neq T_R using density matrix renormalization group methods. We demonstrate that the nonequilibrium energy current…

Strongly Correlated Electrons · Physics 2015-06-12 C. Karrasch , R. Ilan , J. E. Moore

Thermal transmission in a molecular transistor with fully spin-polarized electrodes subjected to a temperature gradient is considered. The problem has been solved by using density matrix method in perturbation approach over small tunneling…

Mesoscale and Nanoscale Physics · Physics 2022-07-12 A. D. Shkop

Magnetization dynamics in single-domain ferromagnets can be triggered by charge current if spin-orbit coupling is sufficiently strong. We apply functional Keldysh theory to investigate Rashba spin-orbit torques in metallic two-dimensional…

Materials Science · Physics 2015-07-14 A. Qaiumzadeh , R. A. Duine , M. Titov