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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Wetterich, C. Quintessence – the Dark Energy in the Universe?. Space Science Reviews 100, 195–206 (2002). https://doi.org/10.1023/A:1015878430289
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DOI: https://doi.org/10.1023/A:1015878430289