Topological classification of 3D and 2D spin states in a ferromagnet including an annular cavity

被引：0
|
作者：
Yan, FL
Li, BZ
机构：
[1] HEBEI TEACHERS UNIV, DEPT PHYS, SHIJIAZHUANG 050016, PEOPLES R CHINA
[2] CHINESE ACAD SCI, INST PHYS, BEIJING 100080, PEOPLES R CHINA
来源：
ACTA MATHEMATICA SCIENTIA | 1996年 / 16卷 / 01期
关键词：
topological classification; spin states; ferromagnet; annular cavity;
D O I：
10.1016/S0252-9602(17)30785-3
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper the problem of topological classification of ordinary (3D) and planar (2D) spin states in a ferromagnet including an annular cavity is discussed. It is verified that the set of homotopy classes of either 3D or 2D spin states in such ordered medium can be constructed into the groups isomorphic to Z, the additive group of integers.
引用
收藏
页码：109 / 112
页数：4
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