Dark energy with time-dependent equation of state

Details Dark energy with time-dependent equation of state Dark energy with time-dependent equation of state

2009-03-07

arxiv.org/abs/0903.1339v1

Published in The Casimir Effect and Cosmology, TSPU 2008, p. 161-165

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Dedicated to the 70th anniversary of Professor Iver Brevik

Scientific paper

The accelerating Friedmann flat universe, filled with an ideal fluid with a
linear (oscillating) inhomogeneous equation of state (EoS) depending on time,
is reviewed. The equations of motions are solved. It is shown that in some
cases there appears a quasi-periodic universe, which repeats the cycles of
phantom-type space acceleration.

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