Dark energy: Recent observations and future prospects

Details Dark energy: Recent observations and future prospects Dark energy: Recent observations and future prospects

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003nuphs.124...13p&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 124, p. 13-20.

Physics

Nuclear Physics

1

Scientific paper

Dark energy presents us with a challenging puzzle: understanding the new element of physics evident in the acceleration of the expansion of the universe. Type Ia supernovae first detected this acceleration and have been instrumental in breaking the matter dominated universe paradigm, measuring the current acceleration of the expansion, and probing back to the decelerating phase. To further study the nature of dark energy requires understanding of systematic errors entering into any cosmological probe. Type Ia supernovae provide simple, transparent tracers of the expansion history of the universe, and the sources of systematic uncertainties in the supernova measurement have been identified. We briefly review the progress to date and examine the promise of future surveys with large numbers of supernovae and well bounded systematics.
This work was supported in part by the E.O.Lawrence Berkeley National Laboratory of the U.S. Department of Energy under Contract DE-AC03-76SF0098.

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