Transient acceleration from a hybrid Chaplygin gas

Details Transient acceleration from a hybrid Chaplygin gas Transient acceleration from a hybrid Chaplygin gas

2005-03-19

arxiv.org/abs/astro-ph/0503428v4

JCAP 0510 (2005) 003

Astronomy and Astrophysics

Astrophysics

8 pages, 3 figures, title changed, discussion expanded, typos corrected, references added, results unchanged

Scientific paper

10.1088/1475-7516/2005/10/003

We extend the Chaplygin gas model for dark matter and dark energy unification
by promoting the Chaplygin gas parameter A to the potential for an extra scalar
with canonical kinetic energy. The hybrid model allows for accelerated Hubble
expansion to be a transient effect around redshift zero.

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