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Dressed Hard States and Black Hole Soft Hair

Mehrdad Mirbabayi and Massimo Porrati
Phys. Rev. Lett. 117, 211301 – Published 16 November 2016

Abstract

A recent, intriguing Letter by Hawking, Perry, and Strominger suggests that soft photons and gravitons can be regarded as black hole hair and may be relevant to the black hole information paradox. In this Letter we make use of factorization theorems for infrared divergences of the S matrix to argue that by appropriately dressing in and out hard states, the soft-quanta-dependent part of the S matrix becomes essentially trivial. The information paradox can be fully formulated in terms of dressed hard states, which do not depend on soft quanta.

  • Figure
  • Received 25 July 2016

DOI:https://doi.org/10.1103/PhysRevLett.117.211301

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Particles & FieldsGravitation, Cosmology & Astrophysics

Authors & Affiliations

Mehrdad Mirbabayi

  • Institute for Advanced Study, Einstein Drive, Princeton, New Jersey 08540, USA

Massimo Porrati

  • Department of Physics, Center for Cosmology and Particle Physics, New York University, 4 Washington Place, New York, New York 10003, USA

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Issue

Vol. 117, Iss. 21 — 18 November 2016

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