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General Relativity and Quantum Cosmology

arXiv:0904.1349 (gr-qc)
[Submitted on 8 Apr 2009 (v1), last revised 16 Feb 2010 (this version, v3)]

Title:$w_d=-1$ in interacting quintessence model

Authors:H. Mohseni Sadjadi
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Abstract: A model consisting of quintessence scalar field interacting with cold dark matter is considered. Conditions required to reach $w_d=-1$ are discussed. It is shown that depending on the potential considered for the quintessence, reaching the phantom divide line puts some constraints on the interaction between dark energy and dark matter. This also may determine the ratio of dark matter to dark energy density at $w_d=-1$.
Comments: 10 pages, references updated, some notes added, minor changes applied, accepted for publication in Eur. Phys. J. C
Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:0904.1349 [gr-qc]
  (or arXiv:0904.1349v3 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.0904.1349
Journal reference: Eur.Phys.J.C66:445-449,2010
Related DOI: https://doi.org/10.1140/epjc/s10052-010-1266-x

Submission history

From: H Mohseni Sadjadi [view email]
[v1] Wed, 8 Apr 2009 14:10:46 UTC (8 KB)
[v2] Fri, 6 Nov 2009 09:41:34 UTC (8 KB)
[v3] Tue, 16 Feb 2010 08:26:17 UTC (8 KB)
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