Discrete skyrmions in 2+1 and 3+1 dimensions

被引：2
|
作者：
Ioannidou, Theodora [2 ,3 ]
Kevrekidis, P. G. [1 ]
机构：
[1] Univ Massachusetts, Dept Math & Stat, Amherst, MA 01003 USA
[2] Univ Tubingen, TAT, D-72076 Tubingen, Germany
[3] Aristotle Univ Thessaloniki, Sch Math Phys & Computat Sci, Fac Engn, Thessaloniki 54124, Greece
来源：
PHYSICS LETTERS A | 2008年 / 372卷 / 45期
关键词：
D O I：
10.1016/j.physleta.2008.07.087
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This Letter describes a lattice version of the Skyrme model in 2 + 1 and 3 + 1 dimensions. The discrete model is derived from a consistent discretization of the radial continuum problem. Subsequently, the existence and stability of the skyrmion solutions existing on the lattice are investigated. One consequence of the proposed models is that the corresponding discrete skyrmions have a high degree of stability, similar to their continuum counterparts. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：6735 / 6741
页数：7
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