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Inverse Spin Hall Effect Driven by Spin Motive Force
Junya Shibata, Hiroshi Kohno
The spin Hall effect is a phenomenon that an electric field induces a spin Hall current. In this Letter, we examine the inverse effect that, in a ferromagnetic conductor, a charge…
Microscopic approach to current-driven domain wall dynamics
Gen Tatara, Hiroshi Kohno, Junya Shibata
This review describes in detail the essential techniques used in microscopic theories on spintronics. We have investigated the domain wall dynamics induced by electric current base…
Theory of Domain Wall Dynamics under Current
Gen Tatara, Hiroshi Kohno, Junya Shibata
Microscopic theory of domain wall dynamics under electric current is reviewed. Domain wall is treated as rigid and planar. The spin-transfer torque and forces on the wall are deriv…
Gauge Field Formulation of Adiabatic Spin Torques
Hiroshi Kohno, Junya Shibata
Previous calculation of spin torques for small-amplitude magnetization dynamics around a uniformly magnetized state [J. Phys. Soc. Jpn. {\bf 75} (2006) 113706] is extended here to…
Microscopic Calculation of Spin Torques in Disordered Ferromagnets
Hiroshi Kohno, Gen Tatara, Junya Shibata
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…
Threshold Current of Domain Wall Motion under Extrinsic Pinning, -Term and Non-Adiabaticity
Gen Tatara, Toshihiko Takayama, Hiroshi Kohno +3
Threshold current of domain wall motion under spin-polarized electric current in ferromagnets is theoretically studied based on the equation of motion of a wall in terms of collect…