The path integral of 3D gravity near extremality; or, JT gravity with defects as a matrix integral

By Henry Maxfield, G. Turiaci. 2020

189 citations recorded by the source corpus.

We propose that a class of new topologies, for which there is no classical solution, should be included in the path integral of three-dimensional pure gravity, and that their inclusion solves pathological negativities in the spectrum, replacing them with a nonperturbative shift of the BTZ extremality bound. We argue that a two dimensional calculation using a dimensionally reduced theory captures the leading effects in the near extremal limit. To make this argument, we study a closely related two-dimensional theory of Jackiw-Teitelboim gravity with dynamical defects. We show that this theory is equivalent to a matrix integral.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/658f62f5def6b98ee78223ce139c5605fa31194f

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In Astronomy and Astrophysics

  1. Wenli Zhao
  2. M. Heydeman
  3. Luca V. Iliesiu
  4. G. Turiaci

In Nuclear and High Energy Physics

  1. Wenli Zhao
  2. M. Heydeman
  3. Luca V. Iliesiu
  4. G. Turiaci
  5. Tom Mertens

In Statistical and Nonlinear Physics

  1. Luca V. Iliesiu
  2. Wenli Zhao
  3. M. Heydeman
  4. G. Turiaci
  5. Tom Mertens

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