Higher dimensional unified description of early universe with variable G and Lambda

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dc.authorid0000-0001-9673-8875en_US
dc.contributor.authorKhadekar, G. S.
dc.contributor.authorSarada, B.
dc.contributor.authorÖzel, Cenap
dc.date.accessioned2021-06-23T19:25:50Z
dc.date.available2021-06-23T19:25:50Z
dc.date.issued2008
dc.departmentBAİBÜ, Fen Edebiyat Fakültesi, Matematik Bölümüen_US
dc.description.abstractA homogeneous and isotropic Friedmann-Robertson-Walker (FRW) model with varying gravitational and cosmological constant is studied in the context of higher dimensional space time. Exact solution of the field equations are obtained by using the "gamma law" equation of state p=(gamma-1)rho, where gamma is adiabatic parameter varies continuously as the universe expands. The functional form gamma which is assumed to be the function of scale factor R as proposed by Carvalho (1996) is used to analyse the behavior of scale factor R, cosmological constant Lambda and the gravitational constant G for two different phases: inflation and radiation. The various physical aspects of the early cosmological models has also been discussed in the framework of higher dimensional space time.en_US
dc.identifier.doi10.1007/s10773-007-9594-9
dc.identifier.endpage1551en_US
dc.identifier.issn0020-7748
dc.identifier.issn1572-9575
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-43449091602en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage1542en_US
dc.identifier.urihttps://doi.org/10.1007/s10773-007-9594-9
dc.identifier.urihttps://hdl.handle.net/20.500.12491/6273
dc.identifier.volume47en_US
dc.identifier.wosWOS:000255743000006en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÖzel, Cenap
dc.language.isoenen_US
dc.publisherSpringer/Plenum Publishersen_US
dc.relation.ispartofInternational Journal Of Theoretical Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHigher Dimensional Space Timeen_US
dc.subjectCosmologyen_US
dc.subjectEarly Universeen_US
dc.subjectInflationary Modelen_US
dc.subjectCosmological Parametersen_US
dc.titleHigher dimensional unified description of early universe with variable G and Lambdaen_US
dc.typeArticleen_US

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