Lakshmanan, M. ; Nakamura, K. (1984) Landau-Lifshitz equation of ferromagnetism: exact treatment of the Gilbert damping Physical Review Letters, 53 (26). pp. 2497-2499. ISSN 0031-9007
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Official URL: http://link.aps.org/doi/10.1103/PhysRevLett.53.249...
Related URL: http://dx.doi.org/10.1103/PhysRevLett.53.2497
Abstract
In the Landau-Lifshitz equation which describes the evolution of spin fields in nonequilibrium continuum ferromagnets, by stereographic projection of the unit sphere of spin onto a complex plane, it is shown that the effect of the Landau-Lifshitz-Gilbert damping term is a mere rescaling of time by a complex constant. Consequently, for any given undamped motion of spatially regular and/or irregular spin structures, the nature of the damping can be analyzed exactly in a simplified manner.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 19344 |
| Deposited On: | 22 Nov 2010 12:45 |
| Last Modified: | 08 Jun 2011 07:26 |
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