Skyrmions and domain walls in (2+1) dimensions

被引:57
|
作者
Kudryavtsev, A [1 ]
Piette, BMAG
Zakrzewski, WJ
机构
[1] Univ Durham, Dept Math Sci, Durham DH1 3LE, England
[2] ITEP, Moscow, Russia
关键词
D O I
10.1088/0951-7715/11/4/002
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We study classical solutions of the vector O(3) sigma model in (2 + 1) dimensions, spontaneously broken to O(2) x Z(2). The model possesses Skyrmion-type solutions as well as stable domain walls which connect different vacua. We show that different types of waves can propagate on the wall, including waves carrying a topological charge. The domain wall can also absorb Skyrmions and, under appropriate initial conditions, it is possible to emit a Skyrmion from the wall.
引用
收藏
页码:783 / 795
页数:13
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