Coincidence Problem in YM Field Dark Energy Model

Abstract

The coincidence problem is studied in the effective Yang-Mills condensate dark energy model. As the effective YM Lagrangian is completely determined by quantum field theory, there is no adjustable parameter in this model except the energy scale, and the cosmic evolution only depends on the initial conditions. For generic initial conditions with the YM condensate subdominant to the radiation and matter, the model always has a tracking solution, the Universe transits from matter-dominated into the dark energy dominated stage only recently $z\sim 0.3$, and evolve to the present state with ${\Omega }_y\sim 0.73$ and ${\Omega }_m\sim 0.27$.

10 pages including 4 figures. Only style is revised

References in corpus (5)

• Wilkinson Microwave Anisotropy Probe (WMAP) Three Year Results: Implications for Cosmology
• Dynamics of dark energy
• Cosmology and the Fate of Dilatation Symmetry
• Can dark energy evolve to the Phantom?
• Quintom models with an equation of state crossing -1

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