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Journal Article

T¯T deformation on multiquantum mechanics and regenesis


He,  Song
Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society;

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He, S., & Xian, Z.-Y. (2022). T¯T deformation on multiquantum mechanics and regenesis. Physical Review D, 106(4): 046002. doi:10.1103/PhysRevD.106.046002.

Cite as: https://hdl.handle.net/21.11116/0000-0008-4EF7-B
We study the $T\bar T$ deformation on a multi-quantum mechanical systems. By

introducing the dynamical coordinate transformation, we obtain the deformed

theory as well as the solution. We further study the thermo-field-double state

under the $T\bar T$ deformation on these systems, including conformal quantum

mechanical system, the Sachdev-Ye-Kitaev model, and the model satisfying

Eigenstate Thermalization Hypothesis. We find common regenesis phenomena where

the signal injected into one local system can regenerate from the other local

system. From the bulk picture, we study the deformation on Jackiw-Teitelboim

gravity governed by Schwarzian action and find that the regenesis phenomena

here are not related to the causal structure of semi-classical wormhole.