Toroidal soliton solutions in O(3)N nonlinear sigma model

被引：5
|
作者：
Wereszczynski, A [1 ]
机构：
[1] Jagiellonian Univ, Inst Phys, Krakow, Poland
来源：
MODERN PHYSICS LETTERS A | 2004年 / 19卷 / 34期
关键词：
Hopf solitons;
D O I：
10.1142/S0217732304015737
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A set of N three-component unit scalar fields in (3 + 1) Minkowski spacetime is investigated. The highly nonlinear coupling between them is chosen to omit the scaling instabilities. The multi-soliton static configurations with arbitrary Hopf numbers are found. Moreover, the generalized version of the Vakulenko-Kapitansky inequality is obtained. The possibility of attractive as well as repulsive interaction between hopfions is shown. A noninteracting limit is also discussed.
引用
收藏
页码：2569 / 2578
页数：10
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