Crossing the Phantom Divide Line in a DGP-Inspired $F(R,φ)$-Gravity

Details Crossing the Phantom Divide Line in a DGP-Inspired $F(R,φ)$-Gravity Crossing the Phantom Divide Line in a DGP-Inspired $F(R,φ)$-Gravity

2008-08-27

arxiv.org/abs/0808.3701v1

JCAP 10 (2008) 044

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

23 Pages, 10 figs, Submitted to JCAP

Scientific paper

10.1088/1475-7516/2008/10/044

We study possible crossing of the phantom divide line in a DGP-inspired $F(R,\phi)$ braneworld scenario where scalar field and curvature quintessence are treated in a unified framework. With some specific form of $F(R,\phi)$ and by adopting a suitable ansatz, we show that there are appropriate regions of the parameters space which account for late-time acceleration and admit crossing of the phantom divide line.

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