Non-Abelian T-duality of $Ad{S}_{d\le 3}$ families by Poisson-Lie T-duality

Abstract

We proceed to investigate the non-Abelian T-duality of $Ad{S}_2$, $Ad{S}_2\times S^1$ and $Ad{S}_3$ physical backgrounds, as well as the metric of the analytic continuation of $Ad{S}_2$ from the point of view of Poisson-Lie (PL) T-duality. To this end, we reconstruct these metrics of the $AdS$ families as backgrounds of non-linear $\sigma$-models on two- and three-dimensional Lie groups. By considering the Killing vectors of these metrics and by taking into account the fact that the subgroups of isometry Lie group of the metrics can be taken as one of the subgroups of the Drinfeld double (with Abelian duals) we look up the PL T-duality. To construct the dualizable metrics by the PL T-duality we find all subalgebras of Killing vectors that generate subgroup of isometries which acts freely and transitively on the manifolds defined by aforementioned $AdS$ families. We then obtain the dual backgrounds for these families of $AdS$ in such a way that we apply the usual rules of PL T-duality without further corrections. We have also investigated the conformal invariance conditions of the original backgrounds ($AdS$ families) and their dual counterparts. Finally, by using the T-duality rules proposed by Kaloper and Meissner (KM) we calculate the Abelian T-duals of BTZ black hole up to two-loop by dualizing on the coordinates $\phi$ and $t$. When the dualizing is implemented by the shift of direction $\phi$, we show that the horizons and singularity of the dual spacetime are the same as in charged black string derived by Horne and Horowitz without ${\alpha }^{\prime }$-corrections, whereas in dualizing on the coordinate $t$ we find a new three-dimensional black string whose structure and asymptotic nature are clearly determined. For this case, we show that the T-duality transformation changes the asymptotic behavior from $Ad{S}_3$ to flat.

arXiv comment29 pages. Minor corrections have performed

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Cited by in corpus (3)

• $Ad{S}_3\times S^3$ Background from Poisson-Lie T-Duality
• Plane-parallel waves as Jacobi-Lie models
• Non-Abelian target space duals of Thurston geometries