On topological excitations with isovector topological charges
Identifieur interne : 001A78 ( Main/Merge ); précédent : 001A77; suivant : 001A79On topological excitations with isovector topological charges
Auteurs : S. A. Bulgadaev [Russie]Source :
- Journal of Experimental and Theoretical Physics Letters [ 0021-3640 ] ; 1996-05-01.
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Abstract
Abstract: It is shown that degenerate systems with order parameter ψ taking on values in compact homogeneous subspaces T G or G/T G (where G is a simple compact group and T G is its maximum commutative subgroup) possess a rich collection of topological excitations (vortices or, correspondingly, instantons) with isovector topological charges. The corresponding homotopy groups are found for all G. The possibility of a topological interpretation of the quantum numbers of the groups and particles is discussed.
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DOI: 10.1134/1.567093
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