Domain wall motion in ferromagnets modelled by a quintic complex Ginzburg-Landau equation

被引：1
|
作者：
Nguenang, J. -P. [1 ,2 ]
Njassap, T. Njassap [1 ]
Kofane, T. C. [3 ]
机构：
[1] Univ Douala, Fac Sci, Dept Phys, Fundamental Phys Lab Grp Nonlinear Sci & Complex, Douala, Cameroon
[2] Abdus Salam Int Ctr Theoret Phys, Condensed Matter & Stat Phys Sect, I-34014 Trieste, Italy
[3] Univ Yaounde I, Fac Sci, Lab Mecan, Yaounde, Cameroon
来源：
EUROPEAN PHYSICAL JOURNAL B | 2008年 / 65卷 / 04期
关键词：
D O I：
10.1140/epjb/e2008-00362-y
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A quintic complex Ginzburg-Landau equation is derived from a Landau-Lifshitz-Gilbert equation and is used to describe the magnetization dynamics in a one-dimensional uni-axial ferromagnet. Trough the use of suitable approximations, we derive the magnetic solitary wave excitations solutions which have pulse-like shapes. Subsequent numerical simulations reveal domain wall propagation.
引用
收藏
页码：539 / 545
页数：7
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