Entanglement in conformal field theory and holography
arXiv:2303.16827 · doi:10.1007/978-3-031-42096-2_10
Abstract
In these notes we give a pedagogical account of the replica trick derivation of CFT entanglement and its holographic counterpart, i.e. the Lewkowycz Maldacena derivation of the Ryu-Takayanagi formula. The application to an 'island set-up' for the calculation of black hole radiation entropy is briefly discussed. Further topics focused on are the relation to thermal entropy, thermofield double constructions and statements about the emergence of gravity from entanglement through reinterpretations of gravitational first laws.
arXiv commentv2: matches published version. This is a preprint of a chapter published in Gravity, Cosmology, and Astrophysics: A Journey of Exploration and Discovery with Female Pioneers, edited by B. Hartmann and J. Kunz, 2023, Springer, reproduced with permission of Springer Nature Switzerland AG. The final authenticated version is available online at: http://dx.doi.org/10.1007/978-3-031-42096-2_10
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