A Single Scalar Field Model of Dark Energy with Equation of State Crossing -1
Mingzhe Li, Bo Feng, Xinmin Zhang
Abstract
In this paper we study the possibility of building models of dark energy with equation of state across -1 and propose explicitly a model with a single scalar field which gives rise to an equation of state larger than -1 in the past and less than -1 at the present time, consistent with the current observations.
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