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Brane Dynamics of Holographic BCFTs

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arxiv 2205.15500 v1 pith:7B3U4ICM submitted 2022-05-31 hep-th gr-qc

Brane Dynamics of Holographic BCFTs

classification hep-th gr-qc
keywords bcftbcftscalculatecorrespondencedimensionsdualenergygravity
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this paper we study various dynamical aspects of the AdS/BCFT correspondence in higher dimensions. We study properties of holographic stress energy tensor by analyzing the metric perturbation in the gravity dual. We also calculate the stress energy tensor for a locally excited state on a half plane in a free scalar CFT. Both of them satisfy a reflective boundary condition that is expected for any BCFTs. We also study the behavior of the scalar field perturbation in the AdS/BCFT setup and show that they also show complete reflections. Moreover, we find that the entanglement entropy of a BCFT computed from the AdS/BCFT matched with that calculated from the Island formula, which supports the Island/BCFT correspondence in higher dimensions. Finally we show how we can calculate one point functions in a BCFT in our gravity dual.

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Cited by 1 Pith paper

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    hep-th 2026-07 conditional novelty 4.0

    A generalized defect-extremal-surface prescription for AdS3/ICFT2 is shown to match island-formula entropies in the large-tension limit and to produce Page curves for 2d eternal black holes.