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arxiv: astro-ph/0303160 · v1 · submitted 2003-03-07 · 🌌 astro-ph · gr-qc· hep-ph

Dark energy, dissipation and the coincidence problem

classification 🌌 astro-ph gr-qchep-ph
keywords coincidencefieldfluidproblemscalaracceleratedbriefcases
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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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