Dark Energy with w>-4/3

Details Dark Energy with w>-4/3 Dark Energy with w>-4/3

2004-05-05

arxiv.org/abs/astro-ph/0405096v1

Astronomy and Astrophysics

Astrophysics

4 pages

Scientific paper

Acceleration of the universe might be driven by a continuous elastic medium -- elastic dark energy (Bucher and Spergel 1999). Elastic dark energy can stably support equations of state with pressure to energy ratio w > -4/3. Stable expansion with w<-1 combined with an assumption of ``reheating of elastic energy'' leads to exotic possibilities such as Expanding Cyclic Universe -- an ever-expanding universe with periodically repeating inflationary epochs.

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