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paper

Oscillating phantom in $F(R)$ gravity

arXiv:0909.1249 · doi:10.1143/PTP.122.1267

Abstract

We investigate the oscillating effective equation of state (EoS) of the universe around the phantom divide in the framework of $F(R)$ gravity. We illustrate the behavior of $F(R)$ with realizing multiple crossings of the phantom divide.

11 pages, 6 figures, accepted in Prog. Theor. Phys