Spin-Wave Excitation in Magnetic Insulators by Spin-Transfer Torque
Jiang Xiao and Gerrit E. W. Bauer
Phys. Rev. Lett. 108, 217204 (2012)
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An electrically insulating magnetic film of thickness d with magnetization m (∥ẑ at equilibrium) in contact with a normal metal. A spin current Js∥ẑ is generated in the normal metal and absorbed by the ferromagnet. |
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