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Ciencia en Desarrollo
versão impressa ISSN 0121-7488
Resumo
OLIVEROS, A. Cosmological Evolution of a Dark Energy Model with Non-Linear Interaction. Ciencia en Desarrollo [online]. 2016, vol.7, n.1, pp.63-69. ISSN 0121-7488.
Abstract In this paper it is considered a holographic dark energy model with a non-linear interaction between the component of dark energy and dark matter in a FRW type flat universe. In this context, the cosmological evolution of the universe is analyzed taking into account the behavior of the deceleration parameters q and the equation of state wΛ. From this analysis it follows that the universe has a phase of accelerated expansion in late times. It also notes that in this scenario the dark energy density will have a Big Rip type singularity in the future. Finally, it is compared the model with currently available data for H(z).
Palavras-chave : Cosmology; Dark Energy.