Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1999-07-15
Class.Quant.Grav. 16 (1999) 4035-4056
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
18 pages, 1 figure, uses revtex and epsf to insert figure
Scientific paper
10.1088/0264-9381/16/12/320
We investigate in detail the qualitative behaviour of the class of Bianchi type B spatially homogeneous cosmological models in which the matter content is composed of two non-interacting components; the first component is described by a barotropic fluid having a gamma-law equation of state, whilst the second is a non-interacting scalar field (phi) with an exponential potential V=Lambda exp(k phi). In particular, we study the asymptotic properties of the models both at early and late times, paying particular attention on whether the models isotropize (and inflate) to the future, and we discuss the genericity of the cosmological scaling solutions.
Billyard Andrew P.
Coley Alan A.
den Hoogen Robert J. van
Ibáñez Jesus
Olasagasti Itsaso
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