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arXiv · 2303.04836

Glue-on AdS holography for $T\bar T$-deformed CFTs

Luis Apolo·Peng-Xiang Hao·Wen-Xin Lai·Wei Song
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Abstract

The $T\bar T$ deformation is a solvable irrelevant deformation whose properties depend on the sign of the deformation parameter $\mu$. In particular, $T\bar T$-deformed CFTs with $\mu<0$ have been proposed to be holographically dual to Einstein gravity where the metric satisfies Dirichlet boundary conditions at a finite cutoff surface. In this paper, we put forward a holographic proposal for $T\bar T$-deformed CFTs with $\mu>0$, in which case the bulk geometry is constructed by gluing a patch of AdS$_3$ to the original spacetime. As evidence, we show that the $T\bar T$ trace flow equation, the spectrum on the cylinder, and the partition function on the torus and the sphere, among other results, can all be reproduced from bulk calculations in glue-on AdS$_3$.

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Luis Apolo, Peng-Xiang Hao, Wen-Xin Lai, Wei Song. 2023-03-08. Glue-on AdS holography for $T\bar T$-deformed CFTs. https://doi.org/10.1007/jhep06(2023)117

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