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Article: Exact anisotropic brane cosmologies

TitleExact anisotropic brane cosmologies
Authors
KeywordsPhysics - nuclear physics
Issue Date2001
PublisherAmerican Physical Society. The Journal's web site is located at http://prd.aps.org
Citation
Physical Review D (Particles and Fields), 2001, v. 64 n. 4, p. 044013:1-12 How to Cite?
AbstractWe present exact solutions of the gravitational field equations in the generalized Randall-Sundrum model for an anisotropic brane with Bianchi type I and V geometry, with perfect fluid and scalar fields as matter sources. Under the assumption of a conformally flat bulk (with a vanishing Weyl tensor) for a cosmological fluid obeying a linear barotropic equation of state the general solution of the field equations can be expressed in an exact parametric form for both Bianchi type I and V space-times. In the limiting case of a stiff cosmological fluid with pressure equal to the energy density, for a Bianchi type I universe the solution of the field equations is obtained in an exact analytic form. Several classes of scalar field models of evolution on the brane are also considered, corresponding to different choices of the scalar field potential. For all models the behavior of the observationally important parameters such as shear, anisotropy, and the deceleration parameter is considered in detail.
Persistent Identifierhttp://hdl.handle.net/10722/43330
ISSN
2004 Impact Factor: 5.156
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChen, CMen_HK
dc.contributor.authorHarko, TCen_HK
dc.contributor.authorMak, MKen_HK
dc.date.accessioned2007-03-23T04:43:42Z-
dc.date.available2007-03-23T04:43:42Z-
dc.date.issued2001en_HK
dc.identifier.citationPhysical Review D (Particles and Fields), 2001, v. 64 n. 4, p. 044013:1-12en_HK
dc.identifier.issn0556-2821en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43330-
dc.description.abstractWe present exact solutions of the gravitational field equations in the generalized Randall-Sundrum model for an anisotropic brane with Bianchi type I and V geometry, with perfect fluid and scalar fields as matter sources. Under the assumption of a conformally flat bulk (with a vanishing Weyl tensor) for a cosmological fluid obeying a linear barotropic equation of state the general solution of the field equations can be expressed in an exact parametric form for both Bianchi type I and V space-times. In the limiting case of a stiff cosmological fluid with pressure equal to the energy density, for a Bianchi type I universe the solution of the field equations is obtained in an exact analytic form. Several classes of scalar field models of evolution on the brane are also considered, corresponding to different choices of the scalar field potential. For all models the behavior of the observationally important parameters such as shear, anisotropy, and the deceleration parameter is considered in detail.en_HK
dc.format.extent134431 bytes-
dc.format.extent122136 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prd.aps.orgen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review D (Particles and Fields). Copyright © American Physical Society.en_HK
dc.subjectPhysics - nuclear physicsen_HK
dc.titleExact anisotropic brane cosmologiesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0556-2821&volume=64&issue=4&spage=044013:1&epage=12&date=2001&atitle=Exact+anisotropic+brane+cosmologiesen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevD.64.044013en_HK
dc.identifier.hkuros64917-
dc.identifier.isiWOS:000170467600042-

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