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Soft Black Hole Absorption Rates as Conservation Laws

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arxiv 1609.04397 v1 pith:Z4EFZLCE submitted 2016-09-14 hep-th gr-qc

classification hep-thgr-qc
keywords absorptionblackconservationgaugeholelargeratesoft
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The absorption rate of low-energy, or soft, electromagnetic radiation by spherically symmetric black holes in arbitrary dimensions is shown to be fixed by conservation of energy and large gauge transformations. We interpret this result as the explicit realization of the Hawking-Perry-Strominger Ward identity for large gauge transformations in the background of a non-evaporating black hole. Along the way we rederive and extend previous analytic results regarding the absorption rate for the minimal scalar and the photon.

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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. Universal Closed Form for Dynamical Love Numbers of Black Holes

    hep-th 2026-06 conditional novelty 8.0 of 10

    Derives a universal closed-form expression for the dynamical response of Schwarzschild black holes using RG resummation and far-zone matching, verified via shell EFT to high orders.

  2. Quasi-local conserved charges in General Relativity

    gr-qc 2019-08 conditional novelty 6.0 of 10

    The paper constructs a general prescription for quasi-local conserved charges in GR and proposes the zero-mode BMS charge in Newman-Unti gauge as a quasi-local energy candidate.

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