Spin torque and force due to current for general spin textures

Abstract

Non-adiabatic correction to spin transfer torque arising from fast-varying spin texture is calculated treating conduction electron fully quantum mechanically. The torque is non-local in space, and is shown to equivalent to a force (due to momentum transfer) acting on the center of mass of the texture. Another kind of force exists in the adiabatic regime, and is identified to be of topological origin. These forces are shown to be the counter reaction of electric transport properties, resistivity and Hall effect, respectively.

submitted to J. Phys. Soc. Jpn.,

References in corpus (3)

• Microscopic Calculation of Spin Torques in Disordered Ferromagnets
• Threshold Current of Domain Wall Motion under Extrinsic Pinning, $\beta$-Term and Non-Adiabaticity
• Current-driven vortex domain wall dynamics by micromagnetic simulations

Cited by in corpus (10)

• Microscopic approach to current-driven domain wall dynamics
• Current-induced domain wall motion in Rashba spin-orbit system
• Electron Transport Driven by Nonequilibrium Magnetic Textures
• Adiabatic Domain Wall Motion and Landau-Lifshitz Damping
• Effects of non-adiabaticity on the voltage generated by a moving domain wall
• Theory of Domain Wall Dynamics under Current
• Gauge Field Formulation of Adiabatic Spin Torques
• Current driven quantum criticality in itinerant electron ferromagnets
• Calculation of current-induced torque from spin continuity equation
• Electrical rectification effect in single domain magnetic microstrips: a micromagnetics-based analysis