Magnetization Reversal in Ferromagnetic Film Through Solitons by Electromagnetic Field

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We study the reversal of magnetization in an isotropic ferromagnetic film free from charges by exposing it to a circularly polarized electromagnetic (EM) field. The magnetization excitations obtained in the form of line and lump solitons of the completely integrable modified KP-II equation which is derived using a reductive perturbation method from the set of coupled Landau-Lifshitz and Maxwell equations. It is observed that when the polarization of the EM-field is reversed followed by a rotation, for every $ {π\over 2} $-degrees, the magnetization is reversed.
RevTex format;11 pages;2 figures;submitted to Physical Review B(Rapid Communications)

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Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/80060

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0107058
 http://arxiv.org/abs/nlin/0107058

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arXiv