Theory Challenges of the Accelerating Universe

Details Theory Challenges of the Accelerating Universe Theory Challenges of the Accelerating Universe

2006-10-05

arxiv.org/abs/astro-ph/0610173v2

J.Phys.A40:6697,2007

Astronomy and Astrophysics

Astrophysics

10 pages, 4 figures; minor changes to match J. Phys. A version

Scientific paper

10.1088/1751-8113/40/25/S14

The accelerating expansion of the universe presents an exciting, fundamental challenge to the standard models of particle physics and cosmology. I highlight some of the outstanding challenges in both developing theoretical models and interpreting without bias the observational results from precision cosmology experiments in the next decade that will return data to help reveal the nature of the new physics. Examples given focus on distinguishing a new component of energy from a new law of gravity, and the effect of early dark energy on baryon acoustic oscillations.

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