paper

Background from Poisson-Lie T-Duality

arXiv:2410.15053 · doi:10.1002/prop.202400175

Abstract

We proceed to construct a dual pair for the background by applying non-Abelian T-duality (here as Poisson-Lie (PL) T-duality on a semi-Abelian double). By using a certain parametrization of the -dimensional Lie group and by a suitable choice of spectator-dependent matrices, the original -model including the metric and a non-trivial -field are constructed. The dual background constructed by means of the PL T-duality with the spectators is an asymptotically flat one with a potential black hole interpretation supported by a non-trivial -flux whose metric contains the true singularity with a single horizon. The question of classical integrability of the non-Abelian T-dual -models under consideration is addressed, and their corresponding Lax pairs are found, depending on some spectral parameters. Finally, the conformal invariance conditions of the models are checked up to two-loop order, and it has been concluded that the resulting model is indeed a solution of supergravity.

24 pages

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