A Realistic Particle Physics Dark Energy Model

Abstract

We present a realistic dark energy model derived from particle physics. Our model has essentially no free parameters and has an equivalent fit to the observational data (CMB, SN1a and LSS) as LCDM and a better fit than the best effective $w(z)$ model. With the lack of a clear determination of the cosmological parameters theoretical considerations should be taken seriously to distinguish between dark energy models.

5 pages, RevTex, 6 figures

References in corpus (2)

• Cosmological parameter analysis including SDSS Ly-alpha forest and galaxy bias: constraints on the primordial spectrum of fluctuations, neutrino mass, and dark energy
• The foundations of observing dark energy dynamics with the Wilkinson Microwave Anisotropy Probe

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