Aspects of Holographic Entanglement Entropy for $T\bar{T}$-deformed CFTs

Abstract

We use the holographic methods to calculate the entanglement entropy for field theories modified by $T\bar{T}$ insertion. Based on the available holographic proposals, this calculation reduces to the holographic computations in AdS with finite cut-off. We perform a direct holographic calculation of the entanglement entropy for two dimensional deformed theory. By direct we mean the evaluation of the gravitational action in the bulk spacetime which has been reconstructed from a dual CFT${}_2$ on $n$-sheeted Riemann surface as a finite cut-off boundary. We also apply Ryu-Takayanagi's prescription to investigate the most general structure of the entanglement entropy for $T\bar{T}$-deformed theories of arbitrary dimensions. In both cases, we find a perfect agreement with the known results.

arXiv comment17 pages, 1 figure; to appear in PLB

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• End of the World Brane meets $T\bar{T}$
• Probing RG flows, symmetry resolution and quench dynamics through the capacity of entanglement
• $T\bar{T}+{\Lambda }_2$ from a 2d gravity path integral
• Entanglement Entropy and Modular Hamiltonian of free fermion with deformations on a torus
• Holographic $T\bar{T}$ deformation of the entanglement entropy in (A)dS${}_3$/CFT${}_2$
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