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Article: Rotational perturbations of Friedmann-Robertson-Walker type brane-world cosmological models

TitleRotational perturbations of Friedmann-Robertson-Walker type brane-world cosmological models
Authors
Issue Date2002
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/nuclphysb
Citation
Nuclear Physics B, 2002, v. 636 n. 3, p. 159-178 How to Cite?
AbstractFirst order rotational perturbations of the Friedmann-Robertson-Walker metric are considered in the framework of the brane-world cosmological models. A rotation equation, relating the perturbations of the metric tensor to the angular velocity of the matter on the brane is derived under the assumption of slow rotation. The mathematical structure of the rotation equation imposes strong restrictions on the temporal and spatial dependence of the brane matter angular velocity. The study of the integrable cases of the rotation equation leads to three distinct models, which are considered in detail. As a general result we find that, similarly to the general relativistic case, the rotational perturbations decay due to the expansion of the matter on the brane. One of the obtained consistency conditions leads to a particular, purely inflationary brane-world cosmological model, with the cosmological fluid obeying a non-linear barotropic equation of state. © 2002 Elsevier Science B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/91812
ISSN
2015 Impact Factor: 3.735
2015 SCImago Journal Rankings: 2.024
References

 

DC FieldValueLanguage
dc.contributor.authorChen, C-Men_HK
dc.contributor.authorHarko, Ten_HK
dc.contributor.authorKao, WFen_HK
dc.contributor.authorMak, MKen_HK
dc.date.accessioned2010-09-17T10:27:20Z-
dc.date.available2010-09-17T10:27:20Z-
dc.date.issued2002en_HK
dc.identifier.citationNuclear Physics B, 2002, v. 636 n. 3, p. 159-178en_HK
dc.identifier.issn0550-3213en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91812-
dc.description.abstractFirst order rotational perturbations of the Friedmann-Robertson-Walker metric are considered in the framework of the brane-world cosmological models. A rotation equation, relating the perturbations of the metric tensor to the angular velocity of the matter on the brane is derived under the assumption of slow rotation. The mathematical structure of the rotation equation imposes strong restrictions on the temporal and spatial dependence of the brane matter angular velocity. The study of the integrable cases of the rotation equation leads to three distinct models, which are considered in detail. As a general result we find that, similarly to the general relativistic case, the rotational perturbations decay due to the expansion of the matter on the brane. One of the obtained consistency conditions leads to a particular, purely inflationary brane-world cosmological model, with the cosmological fluid obeying a non-linear barotropic equation of state. © 2002 Elsevier Science B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/nuclphysben_HK
dc.relation.ispartofNuclear Physics Ben_HK
dc.titleRotational perturbations of Friedmann-Robertson-Walker type brane-world cosmological modelsen_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.scopuseid_2-s2.0-0037068019en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037068019&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume636en_HK
dc.identifier.issue3en_HK
dc.identifier.spage159en_HK
dc.identifier.epage178en_HK

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