No scalar-haired Cauchy horizon theorem in Einstein-Maxwell-Horndeski theories
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Publication:2140695
DOI10.1016/J.PHYSLETB.2022.137107zbMATH Open1494.83002arXiv2101.10116OpenAlexW3122369545WikidataQ113866500 ScholiaQ113866500MaRDI QIDQ2140695
Author name not available (Why is that?)
Publication date: 23 May 2022
Published in: (Search for Journal in Brave)
Abstract: Recently, a no inner (Cauchy) horizon theorem for static black holes with non-trivial scalar hairs has been proved in Einstein-Maxwell-scalar theories. In this paper, we extend the theorem to the static black holes in Einstein-Maxwell-Horndeski theories. We study the black hole interior geometry for some exact solutions and find that the spacetime has a (space-like) curvature singularity where the black hole mass gets an extremum and the Hawking temperature vanishes. We discuss further extensions of the theorem, including general Horndeski theories from disformal transformations.
Full work available at URL: https://arxiv.org/abs/2101.10116
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