Interpreting the conformal cousin of the Husain-Martinez-Nuñez spacetime

A 2-parameter inhomogeneous cosmology in Brans-Dicke theory, obtained by conformally transforming the Husain-Martinez-Nunez scalar field solution of the Einstein equations is studied and interpreted physically. According to the values of the parameters it describes a wormhole or a naked singularity....

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Bibliographic Details
Published in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2012-10, Vol.86 (8), Article 084044
Main Authors: Faraoni, Valerio, Moreno, Andres F. Zambrano
Format: Article
Language:English
Subjects:
Cosmology
Einstein equations
Gravitation
Naked singularities
Reproduction
Scalars
Wormholes
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Summary:A 2-parameter inhomogeneous cosmology in Brans-Dicke theory, obtained by conformally transforming the Husain-Martinez-Nunez scalar field solution of the Einstein equations is studied and interpreted physically. According to the values of the parameters it describes a wormhole or a naked singularity. The reasons why there is not a one-to-one correspondence between conformal copies of this metric are discussed.
ISSN:1550-7998
1550-2368
DOI:10.1103/PhysRevD.86.084044