Abstract
We present a gravity dual of local operator quench in a two-dimensional CFT with conformal boundaries. This is given by a massive excitation in a three-dimensional AdS space with the end of the world brane (EOW brane). Due to the gravitational backreaction, the EOW brane gets deformed in a nontrivial way. We show that the energy-momentum tensor and entanglement entropy computed from the gravity dual and from the BCFT in the large c limit match perfectly. Interestingly, this comparison avoids the folding of the EOW brane in an elegant way.
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Kawamoto, T., Mori, T., Suzuki, Yk. et al. Holographic local operator quenches in BCFTs. J. High Energ. Phys. 2022, 60 (2022). https://doi.org/10.1007/JHEP05(2022)060
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DOI: https://doi.org/10.1007/JHEP05(2022)060