Ie. Dikshtein et al., SELF-LOCALIZED NONLINEAR SURFACE MAGNETIC POLARITONS IN A FERROMAGNETIC MEDIUM, Physics of the solid state, 40(10), 1998, pp. 1710-1714
The properties of electromagnetic waves propagating in a semibounded,
nonlinear, ferromagnetic medium are investigated. It is shown that und
er certain conditions the interaction between the spin and electromagn
etic waves results in the localization of volume polaritons near the s
urface. Self-localization of surface polaritons due to the nonlinear p
roperties of the medium occurs thereby. The nonlinear Schrodinger equa
tion for nonlinear surface and volume polaritons is derived, and the c
onditions under which solitons of these waves exist are determined. Th
e wave intensity required to observe the predicted effects is estimate
d. (C) 1998 American Institute of Physics. [S1063-7834(98)02410-1].