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Comments on Holographic Entanglement Entropy in TT Deformed CFTs

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arxiv 1904.04408 v1 pith:KAPBJQVC submitted 2019-04-09 hep-th gr-qc

Chitraang Murdia , Yasunori Nomura , Pratik Rath , Nico Salzetta This is my paper · ORCID
classification hep-thgr-qc
keywords formulageneralholographicholographydeformedrecenttheoriesunderstanding
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The Ryu-Takayanagi (RT) formula has been a key ingredient in our understanding of holography. Recent work on TT deformations has also boosted our understanding of holography away from the conformal boundary of AdS. In this short note, we aim to refine some recent work demonstrating the success of the RT formula in TT deformed theories. We emphasize general arguments that justify the use of the RT formula in general holographic theories that obey a GKPW-like dictionary. In doing so, we clarify subtleties related to holographic counterterms and discuss the implications for holography in general spacetimes.

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  1. Mixed state entanglement in deformed field theory at finite temperature

    hep-th 2024-12 conditional novelty 5.0 of 10

    For a TTbar-deformed CFT at finite temperature, the EWCS and holographic entanglement negativity both decrease as the deformation parameter grows, just as they do when temperature increases.

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