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Clocks and rods in Jackiw-Teitelboim quantum gravity

Andreas Blommaert (UGent) , Thomas Mertens (UGent) and Henri Verschelde (UGent)
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Abstract
We specify bulk coordinates in Jackiw-Teitelboim (JT) gravity using a boundary-intrinsic radar definition. This allows us to study and calculate exactly diffinvariant bulk correlation functions of matter-coupled JT gravity, which are found to satisfy microcausality. We observe that quantum gravity effects dominate near-horizon matter correlation functions. This shows that quantum matter in classical curved spacetime is not a sensible model for near-horizon matter-coupled JT gravity. This is how JT gravity, given our choice of bulk frame, evades an information paradox. This echoes into the quantum expectation value of the near-horizon metric, whose analysis is extended from the disk model to the recently proposed topological completion of JT gravity [1]. Due to quantum effects, at distances of order the Planck length to the horizon, a dramatic breakdown of Rindler geometry is observed.
Keywords
WEIL-PETERSSON VOLUMES, 2D Gravity, Black Holes, Models of Quantum Gravity, Topological Field, Theories

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MLA
Blommaert, Andreas, et al. “Clocks and Rods in Jackiw-Teitelboim Quantum Gravity.” JOURNAL OF HIGH ENERGY PHYSICS, no. 9, Springer, 2019.
APA
Blommaert, A., Mertens, T., & Verschelde, H. (2019). Clocks and rods in Jackiw-Teitelboim quantum gravity. JOURNAL OF HIGH ENERGY PHYSICS, (9).
Chicago author-date
Blommaert, Andreas, Thomas Mertens, and Henri Verschelde. 2019. “Clocks and Rods in Jackiw-Teitelboim Quantum Gravity.” JOURNAL OF HIGH ENERGY PHYSICS, no. 9.
Chicago author-date (all authors)
Blommaert, Andreas, Thomas Mertens, and Henri Verschelde. 2019. “Clocks and Rods in Jackiw-Teitelboim Quantum Gravity.” JOURNAL OF HIGH ENERGY PHYSICS (9).
Vancouver
1.
Blommaert A, Mertens T, Verschelde H. Clocks and rods in Jackiw-Teitelboim quantum gravity. JOURNAL OF HIGH ENERGY PHYSICS. 2019;(9).
IEEE
[1]
A. Blommaert, T. Mertens, and H. Verschelde, “Clocks and rods in Jackiw-Teitelboim quantum gravity,” JOURNAL OF HIGH ENERGY PHYSICS, no. 9, 2019.
@article{8636941,
  abstract     = {We specify bulk coordinates in Jackiw-Teitelboim (JT) gravity using a boundary-intrinsic radar definition. This allows us to study and calculate exactly diffinvariant bulk correlation functions of matter-coupled JT gravity, which are found to satisfy microcausality. We observe that quantum gravity effects dominate near-horizon matter correlation functions. This shows that quantum matter in classical curved spacetime is not a sensible model for near-horizon matter-coupled JT gravity. This is how JT gravity, given our choice of bulk frame, evades an information paradox. This echoes into the quantum expectation value of the near-horizon metric, whose analysis is extended from the disk model to the recently proposed topological completion of JT gravity [1]. Due to quantum effects, at distances of order the Planck length to the horizon, a dramatic breakdown of Rindler geometry is observed.},
  articleno    = {060},
  author       = {Blommaert, Andreas and Mertens, Thomas and Verschelde, Henri},
  issn         = {1029-8479},
  journal      = {JOURNAL OF HIGH ENERGY PHYSICS},
  keywords     = {WEIL-PETERSSON VOLUMES,2D Gravity,Black Holes,Models of Quantum Gravity,Topological Field,Theories},
  language     = {eng},
  number       = {9},
  pages        = {57},
  publisher    = {Springer},
  title        = {Clocks and rods in Jackiw-Teitelboim quantum gravity},
  url          = {http://dx.doi.org/10.1007/JHEP09(2019)060},
  year         = {2019},
}

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