Spin pumping by a field-driven domain wall

Abstract

We calculate the charge current in a metallic ferromagnet to first order in the time derivative of the magnetization direction. Irrespective of the microscopic details, the result can be expressed in terms of the conductivities of the majority and minority electrons and the non-adiabatic spin transfer torque parameter $\beta$. The general expression is evaluated for the specific case of a field-driven domain wall and for that case depends strongly on the ratio of $\beta$ and the Gilbert damping constant. These results may provide an experimental method to determine this ratio, which plays a crucial role for current-driven domain-wall motion.

4 pages, 1 figure v2: some typos corrected v3: published version

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Cited by in corpus (69)

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• Superfluid Spin Transport through Easy-Plane Ferromagnetic Insulators
• Magnon-drag thermopower and Nernst coefficient in Fe, Co, and Ni
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• Nanoscale Magnetic Heat Pumps and Engines
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• Intrinsic and extrinsic tunability of Rashba spin-orbit coupled emergent inductors
• Theory of spin magnetohydrodynamics
• Charge and Spin Currents Generated by Dynamical Spins
• Inverse Spin Hall Effect Driven by Spin Motive Force
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• Magnetocaloritronic nanomachines
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• Spinmotive force with static and uniform magnetization induced by a time-varying electric field
• Topological spin-transfer drag driven by skyrmion diffusion
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• Magnetic power inverter: AC voltage generation from DC magnetic fields
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• Spin current pumped by resonant skyrmion
• Current-induced sliding motion in a helimagnet MnAu${}_2$
• Theory of spin motive force in one-dimentional antiferromagnetic domain wall
• Chiral gauge field in fully-spin polarized Weyl semimetal with magnetic domain walls
• Coupling theory of emergent spin electromagnetic field and electromagnetic field
• Spin torque due to diffusive spin current in magnetic texture
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