Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.102.147202
Title: Current-induced control of spin-wave attenuation
Authors: Seo, S.-M.
Lee, K.-J.
Yang, H. 
Ono, T.
Issue Date: 6-Apr-2009
Source: Seo, S.-M., Lee, K.-J., Yang, H., Ono, T. (2009-04-06). Current-induced control of spin-wave attenuation. Physical Review Letters 102 (14) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.102.147202
Abstract: The current-induced modification of the attenuation of a propagating spin wave in a magnetic nanowire is studied theoretically and numerically. The attenuation length of spin wave can increase when the spin waves and electrons move in the same direction. It is directly affected by the nonadiabaticity of the spin-transfer torque and thus can be used to estimate the nonadiabaticity. When the nonadiabatic spin torque is sufficiently large, the attenuation length becomes negative, resulting in the amplification of spin waves. © 2009 The American Physical Society.
Source Title: Physical Review Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/55484
ISSN: 00319007
DOI: 10.1103/PhysRevLett.102.147202
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