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Nonlinear microscopic relaxation of uniform magnetization precession.
- Source :
-
Journal of Applied Physics . 5/15/2003, Vol. 93 Issue 10, p6912. 3p. - Publication Year :
- 2003
-
Abstract
- Dynamic relaxation for nonlinear magnetization excitation is analyzed. For direct processes, such as magnon-electron scattering and two-magnon scattering, the relaxation rate is determined from the linear case simply by utilizing the magnetization oscillation frequency for nonlinear excitation. For an indirect process, such as slow-relaxing impurities, the analysis gives an additional relaxation term proportional to the excitation level. In all cases the effective magnetization damping is increased compared to Landau-Lifshitz-Gilbert damping. [ABSTRACT FROM AUTHOR]
- Subjects :
- *MAGNETIZATION
*ELECTRON scattering
*MAGNETISM
*FERROMAGNETISM
Subjects
Details
- Language :
- English
- ISSN :
- 00218979
- Volume :
- 93
- Issue :
- 10
- Database :
- Academic Search Index
- Journal :
- Journal of Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 9718452
- Full Text :
- https://doi.org/10.1063/1.1543891