期刊
MODERN PHYSICS LETTERS A
卷 20, 期 33, 页码 2575-2582出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217732305017597
关键词
coupled quintessence scenario; power-law case; cosmic coincidence problem; attractor solution
The 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.
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