Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 11, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2004/11/008
Keywords
dark matter; dark energy theory; cosmology of theories beyond the SM
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The hypothesis that dark matter and dark energy are unified through the Chaplygin gas, an exotic fluid obeying p = -A/rho, is re-examined. Using generalizations of the spherical model which incorporate effects of the acoustic horizon we show that an initially perturbative Chaplygin gas evolves into a mixed system containing cold dark matter-like gravitational condensate.
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