Abstract
We study a holographic construction of quantum rotating BTZ black holes that incorporates the exact backreaction from strongly coupled quantum conformal fields. It is based on an exact four-dimensional solution for a black hole localized on a brane in AdS4, first discussed some years ago but never fully investigated in this manner. Besides quantum CFT effects and their backreaction, we also investigate the role of higher-curvature corrections in the effective three-dimensional theory. We obtain the quantum-corrected geometry and the renormalized stress tensor. We show that the quantum black hole entropy, which includes the entanglement of the fields outside the horizon, satisfies the first law of thermodynamics exactly, even in the presence of backreaction and with higher-curvature corrections, while the Bekenstein-Hawking-Wald entropy does not. This result, which involves a rather non-trivial bulk calculation, shows the consistency of the holographic interpretation of braneworlds. We compare our renormalized stress tensor to results derived for free conformal fields, and for a previous holographic construction without backreaction effects, which is shown to be a limit of the solutions in this article.
Highlights
One would simultaneously solve for both the coupled system of the metric gαβ and the correlation functions of quantum field operators
We study a holographic construction of quantum rotating BTZ black holes that incorporates the exact backreaction from strongly coupled quantum conformal fields
We show that the quantum black hole entropy, which includes the entanglement of the fields outside the horizon, satisfies the first law of thermodynamics exactly, even in the presence of backreaction and with higher-curvature corrections, while the Bekenstein-Hawking-Wald entropy does not
Summary
As explained in [12, 14], the holographic method of solving (1.2) for a quantum-corrected black hole is through a classical bulk dual with a black hole localized on a braneworld. [13, 29] presented exact solutions for black holes on three-dimensional branes based on the AdS4 C-metric. Our approach will be based on these same solutions, holographically interpreted. We will begin with the simpler case of static, non-rotating solutions. Parts of the technical analysis were done in [12, 13], we will sometimes present a different interpretation of results and provide a more detailed investigation. Two important aspects that were not discussed earlier are the effects of the strength of backreaction, and the higher-curvature corrections in the effective theory
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