Microscopic Calculation of Spin Torques in Disordered Ferromagnets

Abstract

Effects of conduction electrons on magnetization dynamics, represented by spin torques, are calculated microscopically in the first order in spatial gradient and time derivative of magnetization. Special attention is paid to the so-called $\beta$-term and the Gilbert damping, $\alpha$, in the presence of electrons' spin-relaxation processes, which are modeled by quenched magnetic (and spin-orbit) impurities. The obtained results such as $\alpha \ne \beta$ hold for localized as well as itinerant ferromagnetism.

4 pages

References in corpus (16)

• Roles of non-equilibrium conduction electrons on magnetization dynamics of ferromagnets
• Nonlocal magnetization dynamics in ferromagnetic heterostructures
• Micromagnetic understanding of current-driven domain wall motion in patterned nanowires
• Theory of Current-Driven Domain Wall Motion: A Poorman's Approach
• Modification of the Landau-Lifshitz Equation in the Presence of a Spin-Polarized Current in CMR and GMR Materials
• Current-spin coupling for ferromagnetic domain walls in fine wires
• Spin Transfer Torque for Continuously Variable Magnetization
• Current-induced magnetization dynamics in disordered itinerant ferromagnets
• Current driven switching of magnetic layers
• Current induced distortion of a magnetic domain wall
• Influence of a Uniform Current on Collective Magnetization Dynamics in a Ferromagnetic Metal
• Threshold Current of Domain Wall Motion under Extrinsic Pinning, $\beta$-Term and Non-Adiabaticity
• Effect of Spin Current on Uniform Ferromagnetism: Domain Nucleation
• A selfconsistent theory of current-induced switching of magnetization
• Mean-field magnetization relaxation in conducting ferromagnets
• Dynamics of localized spins coupled to the conduction electrons with charge/spin currents

Cited by in corpus (102)

• Dynamics of Skyrmion Crystals in Metallic Thin Films
• Microscopic approach to current-driven domain wall dynamics
• Inverse Spin-Galvanic Effect in a Topological-Insulator/Ferromagnet Interface
• Chirality from interfacial spin-orbit coupling effects in magnetic bilayers
• Current-induced domain wall motion in Rashba spin-orbit system
• Magnon-drag thermopower and Nernst coefficient in Fe, Co, and Ni
• Dynamics of magnetization on the topological surface
• Theory of current-driven magnetization dynamics in inhomogeneous ferromagnets
• Spin pumping by a field-driven domain wall
• Functional Keldysh Theory of Spin Torques
• Thermomagnonic spin transfer and Peltier effects in insulating magnets
• Current-induced torques in textured Rashba ferromagnets
• Effective gauge field theory of spintronics
• Non-Adiabatic Spin Transfer Torque in Real Materials
• Thermally-Assisted Current-Driven Domain Wall Motion
• Spin torque and force due to current for general spin textures
• Adiabatic Domain Wall Motion and Landau-Lifshitz Damping
• Current-Induced Torques in Magnetic Metals: Beyond Spin Transfer
• Magnonic black holes
• Spin Dynamics with Inertia in Metallic Ferromagnets
• Skyrmionic spin Seebeck effect via dissipative thermomagnonic torques
• Phenomenology of current-skyrmion interactions in thin films with perpendicular magnetic anisotropy
• Spin motive force induced by Rashba interaction in the strong sd coupling regime
• Gilbert Damping in Conducting Ferromagnets II: Model Tests of the Torque-Correlation Formula
• Spin-wave contributions to current-induced domain wall dynamics
• Spin transfer torque in continuous textures: semiclassical Boltzmann approach
• Thermoelectric spin transfer in textured magnets
• Giant current-driven domain wall mobility in (Ga,Mn)As
• Effects of non-adiabaticity on the voltage generated by a moving domain wall
• Spin-transfer mechanism for magnon-drag thermopower
• Theory of current-induced spin polarizations in an electron gas
• Theory for spin torque in Weyl semimetal with magnetic texture
• Theory of Domain Wall Dynamics under Current
• Scattering-induced and highly tunable by gate damping-like spin-orbit torque in graphene doubly proximitized by two-dimensional magnet Cr${}_2$Ge${}_2$Te${}_6$ and WS${}_2$
• Hydrodynamic theory of coupled current and magnetization dynamics in spin-textured ferromagnets
• Creep of current-driven domain-wall lines: intrinsic versus extrinsic pinning
• Magnetization damping in a local-density approximation
• Gauge Field Formulation of Adiabatic Spin Torques
• Current-driven and field-driven domain walls at nonzero temperature
• Magnetic domain wall motion by spin transfer
• Theory of spin magnetohydrodynamics
• Calculation of current-induced torque from spin continuity equation
• Noise and dissipation in magnetoelectronic nanostructures
• Gilbert Damping in Conducting Ferromagnets I: Kohn-Sham Theory and Atomic-Scale Inhomogeneity
• Inverse Spin Hall Effect Driven by Spin Motive Force
• Electric spectroscopy of vortex states and dynamics in magnetic disks
• Spin and charge transport induced by gauge fields in a ferromagnet
• Proposal of a robust measurement scheme for the non-adiabatic spin torque using the displacement of magnetic vortices
• Topological Hall effect from strong to weak coupling
• Weak coupling theory of topological Hall effect
• Gilbert damping and spin Coulomb drag in a magnetized electron liquid with spin-orbit interaction
• Consistent microscopic analysis of spin pumping effects
• Thermopower and Thermally Induced Domain Wall Motion in (Ga,Mn)As
• Influence of magnetic viscosity on domain wall dynamics under spin-polarized currents
• Magnon versus electron mediated spin-transfer torque exerted by spin currents across antiferromagnetic insulator to switch magnetization of adjacent ferromagnetic metal
• Topological spin-transfer drag driven by skyrmion diffusion
• Spin-Transfer Torque in Helical Spin-Density Waves
• Magnon-driven chiral charge and spin pumping and electron-magnon scattering from time-dependent quantum transport combined with atomistic spin dynamics theory
• Dissipative hydrodynamic equation of a ferromagnetic Bose-Einstein condensate: Analogy to magnetization dynamics in conducting ferromagnets
• Current-induced non-adiabatic spin torques and domain wall motion with spin relaxation in a ferromagnetic metallic wire
• Spin-orbit-coupling induced torque in ballistic domain walls: equivalence of charge-pumping and nonequilibrium magnetization formalisms
• Current-induced spin torques in III-V ferromagnetic semiconductors
• Microscopic calculation of thermally-induced spin-transfer torques
• Spin-transfer torque in disordered weak ferromagnets
• Microscopic Calculation of Spin Torques and Forces
• Microscopic theory of magnon-drag electron flow in ferromagnetic metals
• Spin relaxation torque in metallic ferromagnets
• Current-induced microwave excitation of a domain wall confined in a magnetic wire with bi-axial anisotropy
• Hole spin relaxation and coefficients in Landau-Lifshitz-Gilbert equation in ferromagnetic GaMnAs
• Numerical Computation of Spin-Transfer Torques for Antiferromagnetic Domain walls
• Anisotropy of spin-transfer torques and Gilbert damping induced by Rashba coupling
• Electrically-driven domain wall motion in a ferromagnetic Kagome lattice
• Microscopic Calculation of Spin Torques in Textured Antiferromagnets
• Current-Induced Resonant Motion of a Magnetic Vortex Core: Effect of Nonadiabatic Spin Torque
• Energetic perspective on emergent inductance exhibited by magnetic textures in the pinned regime
• Monopoles in ferromagnetic metals
• Non-equilibrium thermodynamic study of magnetization dynamics in the presence of spin-transfer torque
• The quantum-mechanical basis of an extended Landau-Lifshitz-Gilbert equation for a current-carrying ferromagnetic wire
• Quantum spin pumping mediated by magnon
• Existence of vertical spin stiffness in Landau-Lifshitz-Gilbert equation in ferromagnetic semiconductors
• Skyrmion nucleation on the surface of a topological insulator
• Effect of spin-conserving scattering on Gilbert damping in ferromagnetic semiconductors
• Chiral gauge field in fully-spin polarized Weyl semimetal with magnetic domain walls
• Spin-wave-induced spin torque in Rashba spin-orbit coupling system
• Spin Hall Current and Spin-transfer Torque in Ferromagnetic Metal
• Laser-induced torques in spin spirals
• Thermal fluctuation field for current-induced domain wall motion
• Spin torque due to diffusive spin current in magnetic texture
• Possible charge analogues of spin transfer torques in bulk superconductors
• Alternating Current-induced Interfacial Spin-transfer Torque
• Magnon-induced long-range correlations and their neutron-scattering signature in quantum magnets
• Spin Currents Induced by Nonuniform Rashba-Type Spin-Orbit Field
• The temperature dependence of quantum spin pumping generated using electron spin resonance with three-magnon splittings
• A short note on spin pumping theory with Landau-Lifshitz-Gilbert equation under quantum fluctuation; necessity for quantization of localized spin
• Charge and Spin Transport in Magnetic Tunnel Junctions: Microscopic Theory
• Local spin transfer torque and magnetoresistance in domain walls with variable width
• Hydrodynamic theory of vorticity-induced spin transport
• Current-Induced Spin-Wave Doppler Shift in Antiferromagnets
• Microscopic theory of electrically induced spin torques in magnetic Weyl semimetals
• Ge as an orbitronic platform: giant in-plane orbital magneto-electric effect in a 2-dimensional hole gas
• Anomalous domain wall velocity and Walker breakdown in hybrid systems with anisotropic exchange
• Orbital Hall effect in spin-3/2 hole-doped semiconductors and its implications for orbitronics