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SYK wormhole formation in real time

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2]
  1. Institute for Advanced Study, Princeton, NJ (United States); Princeton Univ., NJ (United States)
  2. Princeton Univ., NJ (United States). Dept. of Physics
+ Show Author Affiliations
We study the real time formation of the ground state of two coupled SYK models. This is a highly entangled state which is close to the thermofield double state and can be viewed as a wormhole. We start from a high temperature state, we let it cool by coupling to a cold bath. We numerically solve for the large N dynamics. Our main result is that the system forms a wormhole by going through a region with negative specific heat, taking time that is independent of N. The dynamics is smooth everywhere and it seems to follow the equilibrium thermodynamic configurations of the microcanonical ensemble. Also we comment on the relation between this coupled SYK model and Jackiw-Teitelboim gravity theory with bulk fields.
Research Organization:
Institute for Advanced Study, Princeton, NJ (United States)
Sponsoring Organization:
Simons Foundation; USDOE Office of Science (SC)
Grant/Contract Number:
SC0009988
OSTI ID:
1851246
Alternate ID(s):
OSTI ID: 1898393
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 4 Vol. 2021; ISSN 1029-8479
Publisher:
Springer NatureCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Bra-ket wormholes in gravitationally prepared states journal February 2021
Traversable wormhole and Hawking-Page transition in coupled complex SYK models journal October 2020
Renyi entanglement entropy of Fermi liquids and non-Fermi liquids: Sachdev-Ye-Kitaev model and dynamical mean field theories text January 2020
Phase diagram of a two-site coupled complex Sachdev-Ye-Kitaev model text January 2020
Variational Preparation of the Sachdev-Ye-Kitaev Thermofield Double text January 2020

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Related Subjects

1/N expansion
2D gravity
79 ASTRONOMY AND ASTROPHYSICS
Field theories in lower dimensions
Models of quantum gravity
Physics