R\' enyi Holographic Dark Energy in Higher Dimension Cosmology

Understand

R\'enyi holographic dark energy (RHDE) correspondence is discussed in higher dimensional cosmology, namely Kaluza-Klein (KK) cosmology.

• Both interacting and non-interacting cosmological scenario are considered here.
• It is found that the non-interacting model naturally leads to the late accelerated universe, unlike the standard Holographic Dark Energy models in 4$D$, which requires interaction to accommodate the late-time acceleration of the universe.
• The interacting model produces an accelerating universe at late time albeit failing to attain the estimated present value of the deceleration parameter.