Isotropic dynamical black holes
Ion I. Cotaescu
TL;DR
This paper introduces a new class of dynamical black holes in FLRW-like spacetimes that maintain isotropy but are not vacuum solutions, expanding the understanding of black hole solutions in cosmological backgrounds.
Contribution
It defines a novel type of isotropic dynamical black holes in non-vacuum FLRW manifolds, highlighting their properties and differences from traditional solutions.
Findings
Black holes are not vacuum solutions but preserve isotropy.
They exist in manifolds with flat spatial sections.
They have asymptotic behavior similar to FLRW spacetimes.
Abstract
A new type of dynamical black holes is defined in manifolds with flat space sections having the asymptotic behaviour of spatially flat Friedmann-Lema\^ itre-Robertson-Walker (FLRW) space-times. These black holes are no longer vacuum solutions of the Einstein equations but preserve the isotropy of the flat space sections of the asymptotic FLRW manifolds.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Cosmology and Gravitation Theories · Advanced Differential Geometry Research