Dark energy, dissipation and the coincidence problem

Details Dark energy, dissipation and the coincidence problem Dark energy, dissipation and the coincidence problem

2003-03-07

arxiv.org/abs/astro-ph/0303160v1

Phys.Rev. D67 (2003) 087302

Astronomy and Astrophysics

Astrophysics

8 pages, no figures, RevTex4, to appear in Physical Review D

Scientific paper

10.1103/PhysRevD.67.087302

In a recent paper we showed that a quintessence scalar field plus a
dissipative matter fluid can drive late cosmic accelerated expansion and
simultaneously solve the coincidence problem [1]. In this brief report we
extend this result to the cases when the scalar field is replaced either by a
Chaplygin gas or a tachyonic fluid.

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