Two-field Models of Dark Energy with Equation of State Across -1

Details Two-field Models of Dark Energy with Equation of State Across -1 Two-field Models of Dark Energy with Equation of State Across -1

2005-01-29

arxiv.org/abs/astro-ph/0501652v1

Mod.Phys.Lett. A21 (2006) 231-242

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figures Revtex4

Scientific paper

10.1142/S0217732306018469

In this paper, we study the possibility of building two-field models of dark energy with equation of state across -1. Specifically we will consider two classes of models: one consists of two scalar fields (Quintessence+Phantom) and another includes one scalar (Phantom) and one spinor field (Neutrino). Our studies indicate to some extent that two-field models give rise to a simple realization of the dynamical dark energy model with the equation of state across $w = -1$.

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