Self-localized nonlinear surface magnetic polaritons in a ferromagnetic medium |
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| Authors: | I. E. Dikshtein S. A. Nikitov D. S. Nikitov |
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| Affiliation: | (1) Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 103907 Moscow, Russia;(2) Moscow Physicotechnical Institute, 141700 Dolgoprudnyii, Moscow Region, Russia |
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| Abstract: | The properties of electromagnetic waves propagating in a semibounded, nonlinear, ferromagnetic medium are investigated. It is shown that under certain conditions the interaction between the spin and electromagnetic waves results in the localization of volume polaritons near the surface. Self-localization of surface polaritons due to the nonlinear properties of the medium occurs thereby. The nonlinear Schrödinger equation for nonlinear surface and volume polaritons is derived, and the conditions under which solitons of these waves exist are determined. The wave intensity required to observe the predicted effects is estimated. |
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