Transient acceleration from a hybrid Chaplygin gas

(2) University of Cape Town; Croatia; Gary B. Tupper (2); Neven Bilic (1); Raoul D. Viollier (2) ((1) Rudjer Boskovic Institute; Rondebosch; South Africa); Zagreb

arxiv: astro-ph/0503428 · v4 · submitted 2005-03-19 · 🌌 astro-ph · gr-qc· hep-th

Transient acceleration from a hybrid Chaplygin gas

Neven Bilic (1) , Gary B. Tupper (2) , Raoul D. Viollier (2) ((1) Rudjer Boskovic Institute , Zagreb , Croatia , (2) University of Cape Town , Rondebosch , South Africa) This is my paper

classification 🌌 astro-ph gr-qchep-th

keywords chaplygindarkenergyhybridmodeltransientacceleratedacceleration

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We extend the Chaplygin gas model for dark matter and dark energy unification by promoting the Chaplygin gas parameter A to the potential for an extra scalar with canonical kinetic energy. The hybrid model allows for accelerated Hubble expansion to be a transient effect around redshift zero.

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Transient acceleration from a hybrid Chaplygin gas

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