Holographic Local Operator Quenches in BCFTs

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.

arXiv comment48 pages, 18 figures; minor revision: comments added, references added (v2); a minor correction, published version in JHEP (v3)

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Cited by in corpus (7)

• Brane Dynamics of Holographic BCFTs
• Entanglement and geometry from subalgebras of the Virasoro algebra
• Bounds on gravitational brane couplings and tomography in AdS3 black hole microstates
• AdS/BCFT from Conformal Bootstrap: Construction of Gravity with Branes and Particles
• Semiclassical Gravity from Averaged Boundaries in two-dimensional BCFTs
• Radiation, entanglement and islands from a boundary local quench
• Encoded information of mixed correlations: the views from one dimension higher