Cosmological solutions for model with a $1/H^{2}$ term

Details Cosmological solutions for model with a $1/H^{2}$ term Cosmological solutions for model with a $1/H^{2}$ term

2006-11-07

arxiv.org/abs/hep-th/0611075v4

JCAP 0703:009,2007

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 2 figures, version to appear in JCAP

Scientific paper

10.1088/1475-7516/2007/03/009

We drive the cosmological solutions of five-dimensional model with $1/H^{2}$ term $(H^{2}\equiv H_{MNPQ}H^{MNPQ})$, where $H_{MNPQ}$ is 4-form field strength. The behaviors of the scale factors and the scalar potential in effective theory are examined.As a consequence, we show that the universe changes from decelerated expansion to accelerated expansion in Einstein frame of the four-dimensional theory.

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