Can luminosity distance measurements probe the equation of state of dark energy

Details Can luminosity distance measurements probe the equation of state of dark energy Can luminosity distance measurements probe the equation of state of dark energy

2000-08-19

arxiv.org/abs/astro-ph/0008306v1

Astronomy and Astrophysics

Astrophysics

12 pages, 3 Postscript figures, use epsfig, amssymb, amsmath. Submitted to Physics Letters. B

Scientific paper

10.1016/S0370-2693(01)00072-7

Distance measurements to Type Ia supernovae (SNe Ia) at cosmological distances indicate that the Universe is accelerating and that a large fraction of the critical energy density exists in a component with negative pressure. Various hypotheses on the nature of this ``dark energy'' can be tested via their prediction for the equation of state of this component. If the dark energy is due to a scalar field, its equation of state will in general vary with time and is related to the potential of the field. We review the intrinsic degeneracies of luminosity distance measurements and compute the expected accuracies that can be obtained for the equation of state parameter from a realistic high statistic SNe Ia experiment.

Affiliated with

Also associated with

No associations

Rating

Can luminosity distance measurements probe the equation of state of dark energy 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 Can luminosity distance measurements probe the equation of state of dark energy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Can luminosity distance measurements probe the equation of state of dark energy will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-125589