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Article: Quintessence and cosmic acceleration

TitleQuintessence and cosmic acceleration
Authors
Issue Date2002
PublisherWorld Scientific Publishing Co Pte Ltd. The Journal's web site is located at http://www.worldscinet.com/ijmpd/ijmpd.shtml
Citation
International Journal of Modern Physics D, 2002, v. 11 n. 9, p. 1389-1397 How to Cite?
AbstractA cosmological model with perfect fluid and self-interacting quintessence field is considered in the framework of the spatially flat Friedmann-Robertson-Walker (FRW) geometry. By assuming that all physical quantities depend on the volume scale factor of the Universe, the general solution of the gravitational field equations can be expressed in an exact parametric form, with the volume taken as the parameter, and with the quintessence field as a free parameter. With an appropriate choice of the scalar field a class of exact parametric solutions is obtained, with an exponential type scalar field potential fixed via the gravitational field equations. The general physical behavior of the model is consistent with the recent cosmological scenario favored by supernova type Ia observations, indicating an accelerated expansion of the Universe.
Persistent Identifierhttp://hdl.handle.net/10722/91800
ISSN
2015 Impact Factor: 1.963
2015 SCImago Journal Rankings: 0.718
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorMak, MKen_HK
dc.contributor.authorHarko, Ten_HK
dc.date.accessioned2010-09-17T10:26:59Z-
dc.date.available2010-09-17T10:26:59Z-
dc.date.issued2002en_HK
dc.identifier.citationInternational Journal of Modern Physics D, 2002, v. 11 n. 9, p. 1389-1397en_HK
dc.identifier.issn0218-2718en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91800-
dc.description.abstractA cosmological model with perfect fluid and self-interacting quintessence field is considered in the framework of the spatially flat Friedmann-Robertson-Walker (FRW) geometry. By assuming that all physical quantities depend on the volume scale factor of the Universe, the general solution of the gravitational field equations can be expressed in an exact parametric form, with the volume taken as the parameter, and with the quintessence field as a free parameter. With an appropriate choice of the scalar field a class of exact parametric solutions is obtained, with an exponential type scalar field potential fixed via the gravitational field equations. The general physical behavior of the model is consistent with the recent cosmological scenario favored by supernova type Ia observations, indicating an accelerated expansion of the Universe.en_HK
dc.languageengen_HK
dc.publisherWorld Scientific Publishing Co Pte Ltd. The Journal's web site is located at http://www.worldscinet.com/ijmpd/ijmpd.shtmlen_HK
dc.relation.ispartofInternational Journal of Modern Physics Den_HK
dc.titleQuintessence and cosmic accelerationen_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.doi10.1142/S0218271802002220en_HK
dc.identifier.scopuseid_2-s2.0-0036816642en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036816642&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume11en_HK
dc.identifier.issue9en_HK
dc.identifier.spage1389en_HK
dc.identifier.epage1397en_HK
dc.identifier.isiWOS:000179176900004-

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