T-duality and spinning solutions in 2 + 1 gravity

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Starting with the 2 + 1 Einstein-Maxwell-Dilaton system with a cosmological constant and assuming two commuting Killing symmetries we derive the corresponding 1 + 0 σ-model. It is shown that, for general values of the coupling parameters, the T-duality group is SL(2, ℝ), which coincides with the group of linear coordinate transformations along the Killing orbits. This duality, along with a suitable parameter choice, is applied to obtain some new spinning solutions in the alternative gravity theories: Einstein-Maxwell, Brans-Dicke and Einstein-Maxwell-Dilaton.

Original languageEnglish
Pages (from-to)775-788
Number of pages14
JournalNuclear Physics B
Issue number3
StatePublished - 12 Apr 1999


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