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  • Letter
  • Open Access

Carroll-Hawking effect

Ankit Aggarwal1,*, Florian Ecker1,†, Daniel Grumiller1,‡, and Dmitri Vassilevich2,§

  • 1Institute for Theoretical Physics, TU Wien, Wiedner Hauptstrasse 8–10/136, A-1040 Vienna, Austria
  • 2CMCC-Universidade Federal do ABC, Avenida dos Estados 5001, CEP 09210-580, Santo André, São Paulo, Brazil

  • *Contact author: aggarwal@hep.itp.tuwien.ac.at
  • †Contact author: fecker@hep.itp.tuwien.ac.at
  • ‡Contact author: grumil@hep.itp.tuwien.ac.at
  • §Contact author: dvassil@gmail.com
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Phys. Rev. D 110, L041506 – Published 19 August, 2024

DOI: https://doi.org/10.1103/PhysRevD.110.L041506

Abstract

Carroll black holes with an associated Carroll temperature were introduced recently. So far, it is unclear if they exhibit a Hawking-like effect. To solve this, we study scalar fields on Carroll black hole backgrounds. Inspired by anomaly methods, we derive a Hawking-like energy-momentum tensor compatible with the Carroll temperature and the Stefan-Boltzmann law. Key steps in our derivation are the finiteness of energy at the Carroll extremal surface and compatibility with the Carroll-Ward identities, thereby eliminating, respectively, the Carroll analogs of the Boulware and Unruh vacua.

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Phys. Rev. D 110, L041506– Published 19 August, 2024
  • Received 19 March 2024
  • Accepted 25 July 2024
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