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In this paper we propose a quintessence model with the potential V () =V₀sinh ({₀}) ^ with <0, whose asymptotic behavior corresponds to an inverse power-law potential at early times and to an exponential one at late times. We demonstrate that this is a tracker solution and that it could have driven the Universe into its current inflationary stage. The exact solutions and the description for a complete evolution of the Universe are also given. We compare such a model with current cosmological observations.
Ureña–López et al. (Thu,) studied this question.
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