Parametrization of Quintessence and Its Potential

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dc.creatorGuo, Zong-Kuan
dc.creatorOhta, Nobuyoshi
dc.creatorZhang, Yuan-Zhong
dc.date2005-05-12
dc.date2005-07-05
dc.date.accessioned2026-07-07T11:24:23Z
dc.date.available2026-07-07T11:24:23Z
dc.descriptionWe develop a theoretical method of constructing the quintessence potential directly from the effective equation of state function $w(z)$, which describes the properties of the dark energy. We apply our method to four parametrizations of equation of state parameter and discuss the general features of the resulting potentials. In particular, it is shown that the constructed quintessence potentials are all in the form of a runaway type.
dc.description6 pages, 2 figures, LaTeX2e
dc.identifierhttps://arxiv.org/abs/astro-ph/0505253
dc.identifierhttp://arxiv.org/abs/astro-ph/0505253
dc.identifierPhys.Rev.D72:023504,2005
dc.identifierdoi:10.1103/PhysRevD.72.023504
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195171
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titleParametrization of Quintessence and Its Potential
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