[QUAST Seminar] Andrew Svesko: Quantum inequalities for quantum black holes

Andrew Svesko (King's College London) - 17 December 2024

Title: Quantum inequalities for quantum black holes

Abstract: Spacetime inequalities play an important role in a variety of fields, ranging from mathematical relativity to holography. In this talk, I will formulate spacetime inequalities applicable to three-dimensional quantum-corrected black holes to all orders of backreaction in semiclassical gravity. Namely, I propose refined versions of the quantum Penrose and reverse isoperimetric inequalities, valid for all known three-dimensional asymptotically anti–de Sitter quantum black holes. Previous proposals of the quantum Penrose inequality apply in higher dimensions but fail when applied in three dimensions beyond the perturbative regime. The quantum Penrose inequality I propose, valid in three dimensions, holds at all orders of backreaction. This suggests cosmic censorship exists in nonperturbative semiclassical gravity. Further, the quantum reverse isoperimetric inequality implies a maximum entropy state for quantum black holes at fixed volume.

This talk is based on https://arxiv.org/pdf/2406.17860

Date:
17 December 2024
Creator:
francesco-sartini
Share on: