Author： Wetterich C.
Publisher： Springer Publishing Company
ISSN： 0038-6308
Source： Space Science Reviews, Vol.100, Iss.1-4, 2002-01, pp. : 195-206
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Abstract
Quintessence – the energy density of a slowly evolving scalar field – may constitute a dynamical form of the homogeneous dark energy in the universe. We review the basic idea and indicate observational tests which may distinguish quintessence from a cosmological constant.
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