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03 October 2022
  » arxiv » astro-ph/0503072

 Article overview

Coupled Quintessence in a Power-Law Case and the Cosmic Coincidence Problem
Xin Zhang ;
Date 3 Mar 2005
Journal Mod. Phys. Lett. A 20 (2005) 2575-2582
Subject astro-ph
AbstractThe problem of the cosmic coincidence is a longstanding puzzle. This conundrum may be solved by introducing a coupling between the two dark sectors. In this Letter, we study a coupled quintessence scenario in which the scalar field evolves in a power law potential and the mass of dark matter particles depends on a power law function of $phi$. It is shown that this scenario has a stable attractor solution and can thus provide a natural solution to the cosmic coincidence problem.
Source arXiv, astro-ph/0503072
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