• Open Access

Topological Stars and Black Holes

Ibrahima Bah and Pierre Heidmann
Phys. Rev. Lett. 126, 151101 – Published 14 April 2021

Abstract

We study smooth bubble spacetimes in five-dimensional Einstein-Maxwell theory that resemble four-dimensional magnetic black holes upon Kaluza-Klein reduction. We denote them as topological stars since they have topological cycles supported by magnetic flux. They can be macroscopically large compared to the size of the Kaluza-Klein circle and could describe qualitative properties of microstate geometries for astrophysical black holes. We also describe five-dimensional black strings without curvature singularity, the interior caps as a two-dimensional Milne space with a bubble.

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  • Received 27 November 2020
  • Revised 7 March 2021
  • Accepted 10 March 2021

DOI:https://doi.org/10.1103/PhysRevLett.126.151101

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & FieldsGravitation, Cosmology & Astrophysics

Authors & Affiliations

Ibrahima Bah* and Pierre Heidmann

  • Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, USA

  • *iboubah@jhu.edu
  • pheidma1@jhu.edu

Article Text

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Issue

Vol. 126, Iss. 15 — 16 April 2021

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