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Perturbation technique for Landau–Lifshitz–Gilbert equation under elliptically polarized fields

Perturbation technique for Landau–Lifshitz–Gilbert equation under elliptically polarized fields,10.1016/S0921-4526(01)00966-8,Physica B-condensed Matt

Perturbation technique for Landau–Lifshitz–Gilbert equation under elliptically polarized fields   (Citations: 4)
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The problem of magnetization dynamics of a uniformly magnetized uniaxial particle or film, under elliptically polarized applied field, is considered. In the special case of circularly polarized applied field, there exist pure time-harmonic magnetization modes that can be computed analytically. The elliptic polarization can then be treated as a perturbation of the circular polarization. The perturbation technique leads to the exactly solvable system of linear differential equations for the perturbation which enables one to compute higher order magnetization harmonic. The analytical solutions are obtained and then compared with numerical results.
Journal: Physica B-condensed Matter - PHYSICA B , vol. 306, no. 1, pp. 47-51, 2001
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