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Generalized Duality and Singular Strings in Higher Dimensions

Bars, I and Sfetsos, K (1991) Generalized Duality and Singular Strings in Higher Dimensions Mod.Phys.Lett. A, 7. pp. 1091-1104.

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Deformations of gauged WZW actions are constructed for any pair $(G,H)$ by taking different embeddings of the gauge group $H\subset G$ as it acts on the left and right of the group element $g$. This leads to models that are dual to each other, generalizing the axial/vector duality of the two dimensional black hole manifold. The classical equations are completely solved for any pair $(G,H)$ and in particular for the anti de Sitter string based on $SO(d- 1,2)/SO(d-1,1)$ for which the normal modes are determined. Duality is demonstrated for models that have the same set of normal modes. Concentrating on $SO(2,2)/SO(2,1)$, the metric and dilaton fields of the $d=3$ string as well as some of the dual generalizations are obtained. They have curvature singularities and represent new singular solutions of Einstein's general relativity in three dimensions.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Bars, I
Date : 18 October 1991
DOI : 10.1142/S0217732392000963
Uncontrolled Keywords : hep-th, hep-th
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:26
Last Modified : 24 Jan 2020 22:16

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