Neven Bilić et al JCAP11(2004)008 doi:10.1088/1475-7516/2004/11/008
Neven Bilić1,4, Robert J Lindebaum2, Gary B Tupper3 and Raoul D Viollier3
Show affiliationsThe hypothesis that dark matter and dark energy are unified through the Chaplygin gas, an exotic fluid obeying p = −A/ρ, 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.
04.50.-h Higher-dimensional gravity and other theories of gravity
95.30.Sf Relativity and gravitation
95.35.+d Dark matter (stellar, interstellar, galactic, and cosmological)
Issue 11 (November 2004)
Received 27 August 2004, accepted for publication 3 November 2004
Published 12 November 2004
Neven Bilić et al JCAP11(2004)008
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