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Time Evolution of Entanglement Entropy

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If you have a question about this talk, please contact Sungjay Lee.

We calculate the time evolution of the entanglement entropy in a 1+1 CFT with a holographic dual when there is a localized left-moving packet of energy density. We find the gravity result agrees with a field theory result derived from the transformation properties of Renyi entropy. We are able to reproduce behavior which qualitatively agrees with CFT results of entanglement entropy of a system subjected to a local quench. In doing so we construct a finite diffeomorphism which tales three-dimensional anti-de Sitter space in the Poincare patch to a general solution, generalizing the diffeomorphism that takes the Poincare patch a BTZ black hole. We briefly discuss the calculation of correlation functions in these backgrounds and give results at large operator dimension.

This talk is part of the Quantum Fields and Strings Seminars series.

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