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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The classical soliton solution, quantized by means of suitable translational and rotational collective coordinates, is embedded into the one-particle irreducible representation of the Poincaré group corresponding to a definite spin. It is shown that within the conventional quasiclassical expansion such embedding leads to a set of nontrivial consistency conditions imposed on the classical solution. The validity of these relations is considered for a number of soliton models in 2 + 1 and 3 + 1 dimensions.