Reconstructing a String-Inspired Quintom Model of Dark Energy

Details Reconstructing a String-Inspired Quintom Model of Dark Energy Reconstructing a String-Inspired Quintom Model of Dark Energy

2008-06-27

arxiv.org/abs/0806.4435v2

Phys.Lett.B669:4-8,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

8pages, 6figures

Scientific paper

10.1016/j.physletb.2008.09.025

In this paper, we develop a simple method for the reconstruction of the string-inspired dark energy model with the lagrangian $ {\cal L} = -V (\phi) \sqrt{1 - \alpha' {\nabla}_{\mu} \phi \nabla^{\mu} \phi + \beta' \phi \Box \phi} $ given by Cai et. al., which may allow the equation-of-state parameter cross the cosmological constant boundary $ (w=-1) $. We reconstruct this model in the light of three forms of parametrization for dynamical dark energy.

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