Cosmological equation of state and interacting energies
نویسندگان
چکیده
منابع مشابه
Jerk and the cosmological equation of state
Abstract. Linearizing the cosmological equation of state around the current epoch p = p0 + κ0 (ρ− ρ0) +O[(p− p0)2], is the simplest model one can consider that does not make any a priori restrictions on the nature of the cosmological fluid. Most popular cosmological models attempt to be “predictive”, in the sense that once some a priori equation of state is chosen the Friedmann equations are us...
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Taylor expanding the cosmological equation of state around the current epoch p = p0 + κ0(ρ − ρ0) + 1 2 d2p dρ2 ∣∣∣ 0 (ρ − ρ0) + O[(ρ − ρ0)], is the simplest model one can consider that does not make any a priori restrictions on the nature of the cosmological fluid. Most popular cosmological models attempt to be ‘predictive’, in the sense that once some a priori equation of state is chosen the F...
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ژورنال
عنوان ژورنال: Journal of Cosmology and Astroparticle Physics
سال: 2009
ISSN: 1475-7516
DOI: 10.1088/1475-7516/2009/10/028