Wigner meets 't Hooft near the black hole horizon
arXiv:2206.03509 · doi:10.1142/S0218271822420032
Abstract
Recent work on Euclidean quantum gravity, black hole thermodynamics, and the holographic principle has seen the return of random matrix models as a powerful tool. It is explained how they allow for the study of the physics well beyond the perturbative expansion. In fact, a fully non-perturbative treatment naturally unites the familiar approach of summing over smooth geometries of all topologies with the statistical approach to characterizing the typical properties of a Hamiltonian. Remarkably, this leads to an explicit excavation of the underlying microstates of quantum gravity that has applications to the low temperature dynamics of a large class of black holes.
arXiv commentA quick read at 10 double-spaced pages (plus bibliography). Essay written for the Gravity Research Foundation 2022 Awards for Essays on Gravitation. (Honorable Mention awarded.)
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