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Growth index and statefinder diagnostic of Oscillating Dark Energy (1804.11208v2)
Published 27 Apr 2018 in astro-ph.CO
Abstract: We study is some detail the Cosmology of Oscillating Dark Energy described by concrete equations-of-state investigated recently in the literature. In particular, at the background level we compute the statefinder parameters, while at the level of linear cosmological perturbations we compute the growth index $\gamma$ as well as the combination parameter $A=f \sigma_8$. The comparison with $\Lambda$CDM is made as well.
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