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Article: Viscous Bianchi type I universes in brane cosmology

TitleViscous Bianchi type I universes in brane cosmology
Authors
Issue Date2003
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/cqg
Citation
Classical and Quantum Gravity, 2003, v. 20 n. 3, p. 407-422 How to Cite?
AbstractWe consider the dynamics of a viscous cosmological fluid in the generalized Randall-Sundrum model for an anisotropic, Bianchi type I brane. To describe the dissipative effects we use the Israel-Hiscock-Stewart full causal thermodynamic theory. By assuming that the matter on the brane obeys a barotropic linear equation of state, and that the bulk viscous pressure has a power-law dependence on the energy density, the general solution of the field equations can be obtained in an exact parametric form. The solutions obtained describe generally a non-inflationary braneworld. In the large time limit the brane universe isotropizes, ending in an isotropic and homogeneous state. The evolution of the temperature and the comoving entropy of the universe is also considered, and it is shown that due to viscous dissipative processes a large amount of entropy is created in the early stages of evolution of the braneworld.
Persistent Identifierhttp://hdl.handle.net/10722/91857
ISSN
2015 Impact Factor: 2.837
2015 SCImago Journal Rankings: 1.633
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHarko, Ten_HK
dc.contributor.authorMak, MKen_HK
dc.date.accessioned2010-09-17T10:28:38Z-
dc.date.available2010-09-17T10:28:38Z-
dc.date.issued2003en_HK
dc.identifier.citationClassical and Quantum Gravity, 2003, v. 20 n. 3, p. 407-422en_HK
dc.identifier.issn0264-9381en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91857-
dc.description.abstractWe consider the dynamics of a viscous cosmological fluid in the generalized Randall-Sundrum model for an anisotropic, Bianchi type I brane. To describe the dissipative effects we use the Israel-Hiscock-Stewart full causal thermodynamic theory. By assuming that the matter on the brane obeys a barotropic linear equation of state, and that the bulk viscous pressure has a power-law dependence on the energy density, the general solution of the field equations can be obtained in an exact parametric form. The solutions obtained describe generally a non-inflationary braneworld. In the large time limit the brane universe isotropizes, ending in an isotropic and homogeneous state. The evolution of the temperature and the comoving entropy of the universe is also considered, and it is shown that due to viscous dissipative processes a large amount of entropy is created in the early stages of evolution of the braneworld.en_HK
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/cqgen_HK
dc.relation.ispartofClassical and Quantum Gravityen_HK
dc.titleViscous Bianchi type I universes in brane cosmologyen_HK
dc.typeArticleen_HK
dc.identifier.emailHarko, TC:harko@hkucc.hku.hken_HK
dc.identifier.authorityHarko, TC=rp1333en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0264-9381/20/3/302en_HK
dc.identifier.scopuseid_2-s2.0-0037278776en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037278776&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume20en_HK
dc.identifier.issue3en_HK
dc.identifier.spage407en_HK
dc.identifier.epage422en_HK
dc.identifier.isiWOS:000181187000002-

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