Scalar field collapse with negative cosmological constant
The formation of black holes or naked singularities is studied in a model in which a homogeneous time-dependent scalar field with an exponential potential couples to four-dimensional gravity with negative cosmological constant. An analytic solution is derived and its consequences are discussed. The...
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Published in | Classical and quantum gravity Vol. 32; no. 13; pp. 135021 - 135036 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
IOP Publishing
09.07.2015
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Subjects | |
Online Access | Get full text |
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Summary: | The formation of black holes or naked singularities is studied in a model in which a homogeneous time-dependent scalar field with an exponential potential couples to four-dimensional gravity with negative cosmological constant. An analytic solution is derived and its consequences are discussed. The model depends only on one free parameter, which determines the equation of state and decides the fate of the spacetime. Without fine tuning the value of this parameter the collapse ends in a generic formation of a black hole or a naked singularity. The latter case violates the cosmic censorship conjecture. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0264-9381 1361-6382 |
DOI: | 10.1088/0264-9381/32/13/135021 |