More on Phase Transition in deformed JT Gravity

HEP - theory

Audience: researchers in the topic

Comments: In this paper we study a black hole phase transition noticed by Witten recently in a deformed JT gravity with an arbitrary potential. To investigate this transition, we take into account geodesic and a two-point function. In the case with locally negative potentials, the geodesic and the two-point function show signi cantly different behavior from those in cases with a positive potential. This behavior can be interpreted as a contribution from a metastable excitation induced by the negative part of the potential. Also, we consider charged black holes and construct the corresponding phase diagram in terms of the metastable excitation. Also we study a map from this gravity model to CFT with a $Tbar{T}$ deformation.

TTbar Deformation and Integrability

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