Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2005-06-29
J.Math.Phys. 47 (2006) 042505
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
latex2e source file,14 pages, no figures; (v3): minor corrections, to appear in J. Math. Phys
Scientific paper
10.1063/1.2188210
The scalar field degree of freedom in Einstein's plus Matter field equations is decoupled for Bianchi type I and V general cosmological models. The source, apart from the minimally coupled scalar field with arbitrary potential V(Phi), is provided by a perfect fluid obeying a general equation of state p =p(rho). The resulting ODE is, by an appropriate choice of final time gauge affiliated to the scalar field, reduced to 1st order, and then the system is completely integrated for arbitrary choices of the potential and the equation of state.
Christodoulakis Th.
Grammenos Th
Helias Ch.
Kevrekidis Panagiotis G.
Spanou Andromahi
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