The propagation of shape changing soliton in a nonuniform nonlocal media

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

中国物理B ›› 2013, Vol. 22 ›› Issue (8): 84209-084209.doi: 10.1088/1674-1056/22/8/084209

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

The propagation of shape changing soliton in a nonuniform nonlocal media

L. Kavitha^{a b c}, C. Lavanya^a, S. Dhamayanthi^a, N. Akila^a, D. Gopi^d

a Department of Physics, Periyar University, Salem-636 011, India;
b The Abdus Salam International Center for Theoretical Physics, Trieste, Italy;
c Center for Nanoscience and Nanotechnology, Periyar University, Salem-636 011, India;
d Department of Chemistry, Periyar University, Salem-636 011, India

收稿日期:2013-01-19 修回日期:2013-02-25 出版日期:2013-06-27 发布日期:2013-06-27

The propagation of shape changing soliton in a nonuniform nonlocal media

L. Kavitha^{a b c}, C. Lavanya^a, S. Dhamayanthi^a, N. Akila^a, D. Gopi^d

a Department of Physics, Periyar University, Salem-636 011, India;
b The Abdus Salam International Center for Theoretical Physics, Trieste, Italy;
c Center for Nanoscience and Nanotechnology, Periyar University, Salem-636 011, India;
d Department of Chemistry, Periyar University, Salem-636 011, India

Received:2013-01-19 Revised:2013-02-25 Online:2013-06-27 Published:2013-06-27
Contact: L. Kavitha E-mail:louiskavitha@yahoo.co.in

摘要/Abstract

摘要： 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.

关键词: solitons, classical spin models, Maxwell equations, nonlinear dynamics

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.

Key words: solitons, classical spin models, Maxwell equations, nonlinear dynamics

中图分类号: (Propagation, scattering, and losses; solitons)

42.81.Dp

75.10.Hk (Classical spin models) 03.50.De (Classical electromagnetism, Maxwell equations) 05.10.-a (Computational methods in statistical physics and nonlinear dynamics)

L. Kavitha, C. Lavanya, S. Dhamayanthi, N. Akila, D. Gopi. The propagation of shape changing soliton in a nonuniform nonlocal media[J]. 中国物理B, 2013, 22(8): 84209-084209.

L. Kavitha, C. Lavanya, S. Dhamayanthi, N. Akila, D. Gopi. The propagation of shape changing soliton in a nonuniform nonlocal media[J]. Chin. Phys. B, 2013, 22(8): 84209-084209.

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The propagation of shape changing soliton in a nonuniform nonlocal media

The propagation of shape changing soliton in a nonuniform nonlocal media

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