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arxiv: 0909.1249 · v1 · submitted 2009-09-07 · 🌌 astro-ph.CO · gr-qc· hep-ph· hep-th

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Oscillating phantom in F(R) gravity

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classification 🌌 astro-ph.CO gr-qchep-phhep-th
keywords phantomdividegravityoscillatingaroundbehaviorcrossingseffective
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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.

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