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Article: Viscous dissipative effects in isotropic brane cosmology

TitleViscous dissipative effects in isotropic brane cosmology
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. 12, p. 124017:1-10 How to Cite?
AbstractWe consider the dynamics of a viscous cosmological fluid in the generalized Randall-Sundrum model for an isotropic brane. To describe the dissipative effects we use the Israel-Hiscock-Stewart full causal thermodynamic theory. In the limiting case of a stiff cosmological fluid with pressure equal to the energy density, the general solution of the field equations can be obtained in an exact parametric form for a cosmological fluid with a constant bulk viscosity and with a bulk viscosity coefficient proportional to the square root of the energy density, respectively. The obtained solutions describe generally noninflationary brane worlds, starting from a singular state. During this phase of evolution the comoving entropy of the Universe is an increasing function of time, and thus a large amount of entropy is created in the brane world due to viscous dissipative processes.
Persistent Identifierhttp://hdl.handle.net/10722/43380
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.accessioned2007-03-23T04:44:37Z-
dc.date.available2007-03-23T04:44:37Z-
dc.date.issued2001en_HK
dc.identifier.citationPhysical Review D (Particles and Fields), 2001, v. 64 n. 12, p. 124017:1-10en_HK
dc.identifier.issn0556-2821en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43380-
dc.description.abstractWe consider the dynamics of a viscous cosmological fluid in the generalized Randall-Sundrum model for an isotropic brane. To describe the dissipative effects we use the Israel-Hiscock-Stewart full causal thermodynamic theory. In the limiting case of a stiff cosmological fluid with pressure equal to the energy density, the general solution of the field equations can be obtained in an exact parametric form for a cosmological fluid with a constant bulk viscosity and with a bulk viscosity coefficient proportional to the square root of the energy density, respectively. The obtained solutions describe generally noninflationary brane worlds, starting from a singular state. During this phase of evolution the comoving entropy of the Universe is an increasing function of time, and thus a large amount of entropy is created in the brane world due to viscous dissipative processes.en_HK
dc.format.extent132931 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.titleViscous dissipative effects in isotropic brane cosmologyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0556-2821&volume=64&issue=12&spage=124017:1&epage=10&date=2001&atitle=Viscous+dissipative+effects+in+isotropic+brane+cosmologyen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevD.64.124017en_HK
dc.identifier.hkuros77056-
dc.identifier.isiWOS:000172867100056-

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