Oscillating Quintessence

Details Oscillating Quintessence Oscillating Quintessence

2007-11-23

arxiv.org/abs/0711.3606v1

Astronomy and Astrophysics

Astrophysics

4 pages, LaTeX

Scientific paper

An oscillating scalar field as a quintessence model for dark energy is proposed. The case of a power-law potential is particularly intriguing and is the focus of the present article. In this model the equation of state w_{OQ} of dark energy is a constant determined simply by the power n in the potential through w_{OQ} = (n-2)/(n+2). Accordingly, when 0 < n < 1, the oscillating quintessence can provide repulsive gravity and drive the cosmic acceleration. The condition for oscillation and the constraints from observations are investigated. For this new scenario a specific natural model with much less fine tuning is presented.

Affiliated with

Also associated with

No associations

Rating

Oscillating Quintessence does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Oscillating Quintessence, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oscillating Quintessence will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-362839