Evolution of magnetic component in Yang-Mills condensate dark energy models

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dc.creatorZhao, Wen
dc.creatorXu, Donghui
dc.date2007-01-25
dc.date2008-11-28
dc.date.accessioned2026-07-07T13:02:02Z
dc.date.available2026-07-07T13:02:02Z
dc.descriptionThe evolution of the electric and magnetic components in an effective Yang-Mills condensate dark energy model is investigated. If the electric field is dominant, the magnetic component disappears with the expansion of the Universe. The total YM condensate tracks the radiation in the earlier Universe, and later it becomes $w_y\sim-1$ thus is similar to the cosmological constant. So the cosmic coincidence problem can be avoided in this model. However, if the magnetic field is dominant, $w_y>1/3$ holds for all time, suggesting that it cannot be a candidate for the dark energy in this case.
dc.description12 pages, 4 figures, minor typos corrected
dc.identifierhttps://arxiv.org/abs/gr-qc/0701136
dc.identifierhttp://arxiv.org/abs/gr-qc/0701136
dc.identifierInt.J.Mod.Phys.D16:1735-1744,2007
dc.identifierdoi:10.1142/S0218271807011048
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/226347
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectCosmology and Nongalactic Astrophysics
dc.titleEvolution of magnetic component in Yang-Mills condensate dark energy models
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