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Barotropic FRW cosmologies with Chiellini damping in comoving time

dc.contributor.authorRosu Barbus, Haret-Codratian
dc.contributor.authorMancas, Stefan C
dc.contributor.authorChen, Pisin
dc.contributor.editorWorld Scientific Publishing Company
dc.date.accessioned2018-03-21T23:42:32Z
dc.date.available2018-03-21T23:42:32Z
dc.date.issued2015
dc.identifier.citationHaret C. Rosu, Stefan C. Mancas, and Pisin Chen, Mod. Phys. Lett. A 30, 1550100 (2015) https://doi.org/10.1142/S021773231550100x
dc.identifier.urihttp://hdl.handle.net/11627/3508
dc.description.abstract"For nonzero cosmological constant ?, we show that the barotropic FRW cosmologies as worked out in the comoving time lead in the radiation-dominated case to scale factors of identical form as for the Chiellini dissipative scale factors in conformal time obtained recently by us in Phys. Lett. A 379, 882 (2015). This is due to the Ermakov equation which is obtained in this case. For zero cosmological constant, several textbook solutions are easily obtained as particular cases of our formulas and hypergeometric solutions are also reminded."
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectBarotropicfluid
dc.subjectFRW cosmology
dc.subjectCosmological constant
dc.subject.classificationCIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA
dc.titleBarotropic FRW cosmologies with Chiellini damping in comoving time
dc.typearticle
dc.identifier.doihttps://doi.org/10.1142/S021773231550100x
dc.rights.accessAcceso Abierto


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