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arxiv: gr-qc/9506015 · v1 · submitted 1995-06-07 · 🌀 gr-qc

SCALAR FIELD COSMOLOGIES WITH PERFECT FLUID IN ROBERTSON-WALKER METRIC

Luis P. Chimento , Alejandro S. Jakubi This is my paper
classification 🌀 gr-qc
keywords fluidcosmologicalfieldmodelsperfectscalarasymptoticallyconstant
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Several isotropic, homogeneous cosmological models containing a self-interacting minimally coupled scalar field, a perfect fluid source and cosmological constant are solved. New exact, asymptotically stable solutions with an inflationary regime or a final Friedmann stage are found for some simple, interesting potentials. It is shown that the fluid and the curvature may determine how these models evolve for large times.

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    Averaging reductions and asymptotic theorems are derived for oscillatory scalar fields, with exact quadrature solutions for t(a), phi(a), and H(a) in general relativistic, anisotropic, and brane-world cosmologies.