Title :
Dynamics of spin wave solitons in the region of small wave numbers
Author :
Burlak, G.N. ; Grimalsky, V.V. ; Koshevaya, S.V. ; Sanchez-Mondragon, Javier ; Marquez-Aguilar, P.A.
Author_Institution :
Morelos Autonomous Univ., Cuernavaca, Mexico
Abstract :
The results of numerical simulations of nonlinear dynamics of one-dimensional pulses of backward volume magnetostatic waves are presented where the exact wave dispersion is used. The method of splitting on physical factors is utilized. It is shown that in the case of small wave numbers (k0 ~100 cm-1), it is impossible to use any polynomial approximation for a wave dispersion; for greater wave numbers (k0 ~400 cm-1), a parabolic approximation is suitable. We also discuss briefly the two-dimensional dynamics of nonlinear pulses
Keywords :
magnetostatic waves; polynomial approximation; solitons; spin waves; 1D pulses; 2D nonlinear pulse dynamics; backward volume magnetostatic waves; nonlinear dynamics; one-dimensional pulses; parabolic approximation; polynomial approximation; small wave numbers; spin wave soliton dynamics; two-dimensional nonlinear pulse dynamics; wave dispersion; Diffraction; Ferrite films; Frequency; Magnetostatic waves; Nonlinear equations; Numerical simulation; Optical films; Polynomials; Saturation magnetization; Solitons;
Conference_Titel :
Microwaves, Radar and Wireless Communications. 2000. MIKON-2000. 13th International Conference on
Conference_Location :
Wroclaw
Print_ISBN :
83-906662-3-5
DOI :
10.1109/MIKON.2000.914032
