Jackiw-Teitelboim Gravity from the Karch-Randall Braneworld,Physical Review Letters

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Jackiw-Teitelboim Gravity from the Karch-Randall Braneworld
Physical Review Letters ( IF 8.1 ) Pub Date : 2022-11-29 , DOI: 10.1103/physrevlett.129.231601
Hao Geng ₁ , Andreas Karch ₂ , Carlos Perez-Pardavila ₂ , Suvrat Raju ₃ , Lisa Randall ₁ , Marcos Riojas ₂ , Sanjit Shashi ₂

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In this Letter, we show that Jackiw-Teitelboim gravity can be naturally realized in the Karch-Randall braneworld. Notably the role of the dilaton in Jackiw-Teitelboim gravity is played by the radion in a suitably orbifolded version of the setup. In the classical entanglement entropy calculation, there is an apparent degeneracy of Ryu-Takayanagi surfaces. We demonstrate how quantum fluctuations of the radion/dilaton resolve this would-be classical puzzle regarding entanglement wedge reconstruction.

更新日期：2022-11-29

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