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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

Keisuke Izumi , Tetsuya Shiromizu , Kenta Suzuki , Tadashi Takayanagi , Norihiro Tanahashi This is my paper · ORCID
classification hep-thgr-qc
keywords bcftbcftscalculatecorrespondencedimensionsdualenergygravity
verification ladder T0 review T1 audit T2 compute T3 formal
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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 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Time-like Janus Solution -- holographic global quantum quench --

    hep-th 2025-09 conditional novelty 6.0 of 10

    A time-like Janus solution with imaginary deformation parameter is proposed as a holographic toy model of a global quantum quench, with partial consistency checks from CFT one-point functions and late-time entanglemen...

  2. Fluid Boundary Conditions from AdS/BCFT

    hep-th 2025-07 conditional novelty 6.0 of 10

    In AdS/BCFT, the metric boundary condition on the end-of-the-world brane determines the fluid boundary condition: Neumann gives no-penetration plus Neumann conditions on velocity and temperature, and Dirichlet gives no-slip.

  3. Holographic Correlators of Boundary/Crosscap CFTs in Two Dimensions

    hep-th 2025-01 accept novelty 6.0 of 10

    Explicit bulk derivations yield two- and three-point stress tensor correlators in AdS3/BCFT2 and scalar and stress tensor correlators for XCFT2 on RP2, with tension independence and finite-cutoff deformations.

  4. Phase transition in a doubly holographic model of closed $\mathbf{dS_{2} }$ spacetime

    hep-th 2025-02 reject novelty 5.0 of 10

    A doubly holographic dS2 model has a third extremal surface whose dominance creates a phase transition, but the surface's geodesic length can be negative.

  5. The entropy of radiation for local quenches in higher dimensions

    hep-th 2025-01 conditional novelty 5.0 of 10

    For local quenches in d>2 CFTs, the excess entanglement entropy of radiation grows as ξ^{d/2} at early and late times, obeys an all-time relative-entropy bound, and the holographic model produces a Page-like curve.

  6. Defects extremal surfaces and interface CFTs

    hep-th 2026-07 conditional novelty 4.0 of 10

    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.

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