Early Quintessence in Light of the Wilkinson Microwave Anisotropy Probe
作者： Christof Wetterich , Robert R. Caldwell , Christian M. Müller , Gregor Schäfer , Michael Doran
DOI: 10.1086/376975
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摘要: We examine the cosmic microwave background (CMB) anisotropy for signatures of early quintessence dark energy—a nonnegligible energy density during recombination and structure formation eras. Only very recently does overtake matter push expansion into overdrive. Because presence exerts an influence on clustering baryon-photon fluid, we may expect to find trace signals in CMB mass fluctuation power spectrum. In detail, demonstrate that suppressed small length scales, as suggested by combined Wilkinson Microwave Anisotropy Probe/CMB/large-scale data set, is characteristic quintessence. identify a set concordant models map out directions further investigation
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