Cold scalar-tensor black holes coupled to a massless scalar field
Stoytcho S. Yazadjiev (Sofia University)
TL;DR
This paper introduces new four-dimensional black hole solutions in Brans-Dicke theory with negative omega, featuring zero temperature and infinite horizon area, and discusses potential astrophysical implications.
Contribution
It presents novel black hole solutions in Brans-Dicke theory with unique properties, expanding understanding of scalar-tensor gravity models.
Findings
Black holes have zero temperature.
Horizon area is infinite.
Solutions are coupled to a massless scalar field.
Abstract
New four-dimensional black hole solutions of Brans-Dicke equations with a negative constant , coupled to a massless scalar field, are presented. The temperature of these black holes is zero and the horizon area is infinite. An astrophysical application is also discussed.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Cosmology and Gravitation Theories · Astrophysical Phenomena and Observations