Università degli Studi di Cagliari
The abelian cosets of the Heisenberg group
D'APPOLLONIO, GIUSEPPE;
2007-01-01
Abstract
In this paper we study the abelian cosets of the H-4 WZW model. They coincide or are related to several interesting three-dimensional backgrounds such as the Melvin model, the conical point-particle space-times and the null orbifold. We perform a detailed CFT analysis of all the models and compute the coset characters as well as some typical three-point couplings of coset primaries.
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