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Reentrant phase transitions of quantum black holes

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arxiv 2310.12220 v2 pith:XZBOFJQH submitted 2023-10-18 hep-th gr-qc

Antonia M. Frassino , Juan F. Pedraza , Andrew Svesko , Manus R. Visser This is my paper
classification hep-thgr-qc
keywords phaseblackquantumholethermaltransitionsanti-debackreaction
verification ladder T0 review T1 audit T2 compute T3 formal
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We show backreaction of quantum fields on black hole geometries can trigger new thermal phase transitions. Specifically, we study the phase behavior of the three-dimensional quantum-corrected static BTZ black hole, an exact solution to specific semi-classical gravitational equations due to quantum conformal matter, discovered through braneworld holography. Focusing on the canonical ensemble, for large backreaction, we find novel reentrant phase transitions as the temperature monotonically increases, namely, from thermal anti-de Sitter space to the black hole and back to thermal anti-de Sitter. The former phase transition is first-order, a quantum analog of the classical Hawking-Page phase transition, while the latter is zeroth-order and has no classical counterpart.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Critical phenomenon of quantum BTZ black holes

    hep-th 2025-05 conditional novelty 6.0 of 10

    Quantum BTZ black holes have a critical point at backreaction strength ν=1 with non-mean-field exponents (α=0, β=1, γ=2, δ=3) that violate the 2-α=β(1+δ) scaling law.

  2. Violating Weak Cosmic Censorship in AdS$_3$ via Gedanken Experiment

    hep-th 2025-08 unverdicted novelty 5.0 of 10

    Under the test-particle approximation, an extremal quantum-corrected BTZ black hole can have its horizon destroyed by a particle with large angular momentum, giving a potential counterexample to weak cosmic censorship.

  3. Timelike entanglement and central charge for quantum BTZ black holes

    hep-th 2025-07 reject novelty 5.0 of 10

    The paper numerically computes timelike entanglement entropy for quantum BTZ black holes and claims that the effective central charge drops sharply as quantum backreaction crosses a critical value.

  4. Analytical approach to criticality of AdS black holes

    gr-qc 2025-06 conditional novelty 5.0 of 10

    A self-reciprocal relation between coexisting black hole phases reduces two coexistence conditions to a single algebraic equation, giving exact coexistence lines for several AdS black holes and the Van der Waals fluid.

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