Tsallis, Rényi and Sharma-Mittal holographic and new agegraphic dark energy models in D-dimensional fractal universe
Department of Mathematics, Techno India Salt Lake, Sector-V, 700 091, Kolkata, India
2 Department of Mathematics, Indian Institute of Engineering Science and Technology, 711103, Shibpur, Howrah, India
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Accepted: 12 July 2019
Published online: 17 October 2019
In this work, we explore the accelerated expansion of the Universe through a non-linear interaction of newly proposed dark energy models (namely Tsallis holographic dark energy (HDE), Rényi HDE, Sharma Mittal HDE, Tsallis new agegraphic dark energy (NADE), Rényi NADE and Sharma-Mittal NADE) with cold dark matter in the background of flat D -dimensional fractal Universe. The effect of IR cutoffs including the Hubble radius and Granda-Oliveros (GO) on the properties of the considered dark energy models have been investigated in this context. The cosmological parameters such as equation of state (EoS) parameter, squared speed of sound and - cosmological plane during the cosmic evolution have been calculated. Analyzing the behavior of such cosmological parameters graphically, it is found that the considered HDE and NADE models can lead to the late time accelerated expansion in the presence of interaction between two dark sectors of the Universe in more general space-time. This result is similar to the standard interacting HDE model with Hubble cutoff in FRW Universe.
© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature, 2019