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Title: Classical double copy of nonsingular black holes

Abstract

We apply the classical double copy procedure to a class of regular, non-singular black hole solutions. We give several examples, paying particular attention to a string-theory-corrected black hole solution emerging from T-duality. Non-perturbative stringy corrections introduce an ultraviolet (UV) zero-point length cutoff which results in non-singular black hole spacetimes. Apart from the UV regulator, the solution is equivalent to the Bardeen black hole spacetime. We extend this solution to include an asymptotic de Sitter background. All Yang-Mills field theory quantities associated with the double copy are well-behaved and finite for all values of parameters. Furthermore, we present a thorough analysis of the black hole horizon structure, additionally uncovering a simple yet new connection between horizons on the gravity side and electric fields on the gauge theory side of the double copy.

Authors:
 [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Arizona State Univ., Tempe, AZ (United States)
Publication Date:
Research Org.:
Arizona State Univ., Tempe, AZ (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1837756
Grant/Contract Number:  
SC0019470
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. D.
Additional Journal Information:
Journal Volume: 102; Journal Issue: 8; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Gauge-gravity dualities

Citation Formats

Easson, Damien A., Keeler, Cynthia, and Manton, Tucker. Classical double copy of nonsingular black holes. United States: N. p., 2020. Web. doi:10.1103/physrevd.102.086015.
Easson, Damien A., Keeler, Cynthia, & Manton, Tucker. Classical double copy of nonsingular black holes. United States. https://doi.org/10.1103/physrevd.102.086015
Easson, Damien A., Keeler, Cynthia, and Manton, Tucker. 2020. "Classical double copy of nonsingular black holes". United States. https://doi.org/10.1103/physrevd.102.086015. https://www.osti.gov/servlets/purl/1837756.
@article{osti_1837756,
title = {Classical double copy of nonsingular black holes},
author = {Easson, Damien A. and Keeler, Cynthia and Manton, Tucker},
abstractNote = {We apply the classical double copy procedure to a class of regular, non-singular black hole solutions. We give several examples, paying particular attention to a string-theory-corrected black hole solution emerging from T-duality. Non-perturbative stringy corrections introduce an ultraviolet (UV) zero-point length cutoff which results in non-singular black hole spacetimes. Apart from the UV regulator, the solution is equivalent to the Bardeen black hole spacetime. We extend this solution to include an asymptotic de Sitter background. All Yang-Mills field theory quantities associated with the double copy are well-behaved and finite for all values of parameters. Furthermore, we present a thorough analysis of the black hole horizon structure, additionally uncovering a simple yet new connection between horizons on the gravity side and electric fields on the gauge theory side of the double copy.},
doi = {10.1103/physrevd.102.086015},
url = {https://www.osti.gov/biblio/1837756}, journal = {Physical Review. D.},
issn = {2470-0010},
number = 8,
volume = 102,
place = {United States},
year = {Fri Oct 16 00:00:00 EDT 2020},
month = {Fri Oct 16 00:00:00 EDT 2020}
}

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