Spin-Wave Excitation in Magnetic Insulators by Spin-Transfer Torque
Jiang Xiao and Gerrit E. W. Bauer
Phys. Rev. Lett. 108, 217204 (2012)
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_sIjcnqRzpijW8UIpK8vEqvTr0oTOLdcvhSuxmH6GPvaW70VIfo8SF5x-ojqctbxGCkr432-MNQ8ikzGpsN0AoX-M9D5NP46e4wX8mPqLotvpqftGU1_K2R5SLDA-etZiuS7jTamLomlIsXo_441M_6P2CCBpoq=s0-d) |
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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