Advanced Search

Show simple item record

dc.contributor.authorArık, Metin
dc.contributor.authorÇalık, Mehmet
dc.contributor.authorSheftel, Mikhail S.
dc.date.accessioned2015-03-20T11:27:34Z
dc.date.available2015-03-20T11:27:34Z
dc.date.issued2008-02
dc.identifier.citationARIK, M., ÇALIK, M., SHEFTEL, B.S. (2008). Friedmann equation for brans-dicke cosmology. International Journal of Modern Physics D, 17 (2), pp. 225-235. https://dx.doi.org/10.1142/S0218271808011961.en_US
dc.identifier.issn0218-2718
dc.identifier.other000253910000003 (WOS)
dc.identifier.urihttps://dx.doi.org/10.1142/S0218271808011961
dc.identifier.urihttps://hdl.handle.net/11376/1156
dc.description.abstractIn the context of the Brans-Dicke scalar tensor theory of gravitation, the cosmological Friedmann equation which relates the expansion rate H of the universe to the various fractions of energy density is analyzed rigorously. It is shown that the Brans-Dicke scalar tensor theory of gravitation brings a negligible correction to the matter density component of the Friedmann equation. Besides, in addition to Omega(Lambda) and Omega(M) in the standard Einstein cosmology, another density parameter, Omega(Delta), is expected by the theory inevitably. Some cosmological consequences of such nonfamiliar cases are examined as far as recent observational results are concerned. Theory implies that if Omega(Delta) is found to be nonzero, data can favor this model and hence this theory turns out to be the most powerful candidate in place of the standard Einstein cosmological model with cosmological constant. Such a replacement will enable more accurate predictions for the rate of change of the Newtonian gravitational constant in the future.en_US
dc.language.isoengen_US
dc.publisherWorld Scientific Publishingen_US
dc.identifier.doi10.1142/S0218271808011961en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectBrans - Dicke Scalar Tensor Theoryen_US
dc.subjectGravitation and Cosmologyen_US
dc.subjectFriedmann Equationen_US
dc.subjectHubble - Space - Telescopeen_US
dc.subjectHıgh - Redshıft Supernovaeen_US
dc.subjectCosmic Background Imageren_US
dc.subjectProbe Wmap Observationsen_US
dc.subjectDark Energyen_US
dc.subjectScalar Fielden_US
dc.subjectScaling Solutionsen_US
dc.subjectKey Projecten_US
dc.subjectConstanten_US
dc.subjectConstraintsen_US
dc.titleFriedmann equation for brans-dicke cosmologyen_US
dc.typearticleen_US
dc.relation.journalInternational Journal of Modern Physics Den_US
dc.departmentDoğuş Üniversitesi, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.authoridTR144760en_US
dc.authoridTR59441en_US
dc.identifier.volume17en_US
dc.identifier.issue2en_US
dc.identifier.startpage225en_US
dc.identifier.endpage235en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.institutionauthorBelirlenecek


Files in this item

Thumbnail
Thumbnail

This item appears in the following Collection(s)

Show simple item record