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arxiv: 1706.04433 · v1 · pith:AV4X4S4Jnew · submitted 2017-06-12 · 🌀 gr-qc

Revisiting Holographic Dark Energy in Cyclic Cosmology

classification 🌀 gr-qc
keywords cutoffcyclicenergycosmologydarkholographicabsenceaddition
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Considering the holographic dark energy (HDE) with two different Infrared (IR) cutoffs, we study the evolution of a cyclic universe which avoids the Big-Rip singularity. Our results show that, even in the absence of a mutual interaction between the cosmos sectors, the HDE model with the Hubble radius as IR cutoff can mimics a cosmological constant in the framework of a cyclic cosmology. In addition, we find that both the interacting and non-interacting universes may enter into a cycle of sequential contraction and expansion, if the Granda-Oliveros (GO) cutoff is chosen as the IR cutoff in the energy density of the HDE.

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