Chaplygin-gas solutions of f(R) gravity

dc.contributor.author	Elmardi, Maye
dc.contributor.author	Abebe, Amare
dc.contributor.author	Tekola, Abiy
dc.date.accessioned	2017-05-16T06:32:29Z
dc.date.available	2017-05-16T06:32:29Z
dc.date.issued	2016
dc.identifier.citation	Elmardi, M. et al. 2016. Chaplygin-gas solutions of f(R) gravity. International Journal Of Geometric Methods In Modern Physics, 13:1-11. [http://dx.doi.org/10.1142/S0219887816501206]
dc.identifier.issn	0219-8878
dc.identifier.issn	1793-6977 (Online)
dc.identifier.uri	http://dx.doi.org/10.1142/S0219887816501206
dc.identifier.uri	http://hdl.handle.net/10394/24277
dc.description.abstract	We explore exact f(R) gravity solutions that mimic Chaplygin-gas inspired CDM cosmology. Starting with the original, generalized and modified Chaplygin gas equations of state, we reconstruct the forms of f(R) Lagrangians. The resulting solutions are generally quadratic in the Ricci scalar, but have appropriate CDM solutions in limiting cases. These solutions, given appropriate initial conditions, can be potential candidates for scalar field-driven early universe expansion (inflation) and dark energy-driven late-time cosmic acceleration.
dc.language.iso	en
dc.publisher	World Scientific Publishing
dc.subject	Cosmology
dc.subject	f(R) gravity
dc.subject	Chaplygin gas
dc.subject	dark energy
dc.subject	dark matter
dc.title	Chaplygin-gas solutions of f(R) gravity
dc.type	Article
dc.contributor.researchID	25806718 - Gidelew, Amare Abebe