Can the Universe escape eternal acceleration?
Article first published online: 4 APR 2002
Monthly Notices of the Royal Astronomical Society
Volume 316, Issue 3, pages L41–L44, August 2000
How to Cite
Barrow, J. D., Bean, R. and Magueijo, J. (2000), Can the Universe escape eternal acceleration?. Monthly Notices of the Royal Astronomical Society, 316: L41–L44. doi: 10.1046/j.1365-8711.2000.03778.x
- Issue published online: 4 APR 2002
- Article first published online: 4 APR 2002
- Accepted 2000 June 22. Received 2000 June 15; in original form 2000 May 5
- cosmology: theory
We present a new interpretation of recent observations suggesting that the expansion of the Universe has recently started to accelerate. A cosmological model with a quintessence field driven by a potential motivated by M-theory is used to study the energy density and equation of state for the Universe. We find that late-time acceleration does not have to lead to the usual predictions of perpetual acceleration. The model allows another broad class of scenarios in which today's acceleration is a transient phenomenon, which is succeeded by a return to matter domination and decelerating expansion.