The propagation of shape changing soliton in a nonuniform nonlocal media

doi:10.1088/1674-1056/22/8/084209

Abstract Magnetization dynamics in uniformly magnetized ferromagnetic media is studied by using Landau-Lifshitz-Gilbert equation. The nonlinear evolution equation is integrable with site-dependent and biquadratic exchange interaction by means of Landau-Lifshitz (LL) equation which is well understood. In the present work, we construct the exact solitary solutions of the nonlinear evolution equation, particularly, we employ the modified extended tangent hyperbolic function method. We show the shape changing property of solitons for the given integrable system in the presence of damping as well as inhomogeneities.

Keywords: solitons classical spin models Maxwell equations nonlinear dynamics

Received: 19 January 2013
Revised: 25 February 2013
Accepted manuscript online:

PACS:	42.81.Dp	(Propagation, scattering, and losses; solitons)
	75.10.Hk	(Classical spin models)
	03.50.De	(Classical electromagnetism, Maxwell equations)
	05.10.-a	(Computational methods in statistical physics and nonlinear dynamics)

Corresponding Authors: L. Kavitha
E-mail: louiskavitha@yahoo.co.in

Cite this article:

L. Kavitha, C. Lavanya, S. Dhamayanthi, N. Akila, D. Gopi The propagation of shape changing soliton in a nonuniform nonlocal media 2013 Chin. Phys. B 22 084209

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