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Bifurcation of the Maxwell quasinormal spectrum on asymptotically anti-de Sitter black holes

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arxiv 2104.04970 v1 pith:I4ZIEBGO submitted 2021-04-11 gr-qc hep-th

classification gr-qchep-th
keywords blackboundaryholesmaxwellquasinormalsitterspectrumanti-de
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We study the Maxwell quasinormal spectrum on asymptotically anti-de Sitter black holes with a set of two Robin type boundary conditions, by requiring the energy flux to vanish at asymptotic infinity. Focusing, for illustrative purposes, on Schwarzschild-anti-de Sitter black holes both without and with a global monopole, we unveil that, on the one hand, the Maxwell quasinormal spectrum bifurcates as the black hole radius increases for both boundary conditions, which is termed the mode split effect; while on the other hand, with an appropriate fixed black hole radius but increasing the monopole parameter, the first (second) boundary condition may trigger (terminate) the mode split effect.

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Cited by 2 Pith papers

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

  1. Scalar quasinormal modes of Schwarzschild--anti-de Sitter black holes: spectral analysis and generalized boundary conditions

    gr-qc 2026-07 conditional novelty 6.0 of 10

    For a massless scalar on SAdS black holes, deforming the AdS boundary condition away from Dirichlet produces an unstable mode for every nonzero deformation tested.

  2. Spectral Bifurcations in Quasinormal Modes of Regular BTZ Black Holes

    gr-qc 2026-03 conditional novelty 6.0 of 10

    For regular BTZ black holes from an infinite Lovelock tower, scalar quasinormal modes bifurcate from complex BTZ branches into purely imaginary branches as the regularization length ℓ grows, producing mode switching a...

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