TOPOLOGICAL CLASSIFICATION OF 3D AND 2D SPIN STATES IN A FERROMAGNET INCLUDING AN ANNULAR CAVITY

数学物理学报(英文版) ›› 1996, Vol. 16 ›› Issue (1): 109-112.

TOPOLOGICAL CLASSIFICATION OF 3D AND 2D SPIN STATES IN A FERROMAGNET INCLUDING AN ANNULAR CAVITY

阎凤利¹, 李伯臧²

1. Dept. of Phys, Hebei Teachers Univ, Shijiazhuang 050016, China;
2. Inst. of Physics., Chin. Acad. of Sci., Beijing 100080, China

收稿日期:1993-07-29 修回日期:1994-01-25 出版日期:1996-03-25 发布日期:1996-03-25

TOPOLOGICAL CLASSIFICATION OF 3D AND 2D SPIN STATES IN A FERROMAGNET INCLUDING AN ANNULAR CAVITY

Yan Fengli¹, Li Bozang²

1. Dept. of Phys, Hebei Teachers Univ, Shijiazhuang 050016, China;
2. Inst. of Physics., Chin. Acad. of Sci., Beijing 100080, China

Received:1993-07-29 Revised:1994-01-25 Online:1996-03-25 Published:1996-03-25

摘要/Abstract

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.

关键词: topological classification, spin states, ferromagnet, annular cavity

Abstract: 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.

Key words: topological classification, spin states, ferromagnet, annular cavity

阎凤利, 李伯臧. TOPOLOGICAL CLASSIFICATION OF 3D AND 2D SPIN STATES IN A FERROMAGNET INCLUDING AN ANNULAR CAVITY[J]. 数学物理学报(英文版), 1996, 16(1): 109-112.

Yan Fengli, Li Bozang. TOPOLOGICAL CLASSIFICATION OF 3D AND 2D SPIN STATES IN A FERROMAGNET INCLUDING AN ANNULAR CAVITY[J]. Acta mathematica scientia,Series B, 1996, 16(1): 109-112.

TOPOLOGICAL CLASSIFICATION OF 3D AND 2D SPIN STATES IN A FERROMAGNET INCLUDING AN ANNULAR CAVITY

TOPOLOGICAL CLASSIFICATION OF 3D AND 2D SPIN STATES IN A FERROMAGNET INCLUDING AN ANNULAR CAVITY

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