Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2006-05-18
Phys.Lett. B642 (2006) 179-186
Physics
High Energy Physics
High Energy Physics - Theory
19 pages latex, 11 eps figures incorporated
Scientific paper
10.1016/j.physletb.2006.09.035
We consider solutions of the cosmological equations pertaining to a dissipative, dilaton-driven off-equilibrium Liouville Cosmological model, which may describe the effective field theoretic limit of a non-critical string model of the Universe. The non-criticality may be the result of an early-era catastrophic cosmic event, such as a big-bang, brane-world collision etc. The evolution of the various cosmological parameters of the model are obtained, and the effects of the dilaton and off-shell Liouville terms, including briefly those on relic densities, which distinguish the model from conventional cosmologies, are emphasised.
Diamandis G. A.
Georgalas B. C.
Lahanas A. B.
Mavromatos Nick E.
Nanopoulos Dimitri V.
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