2016•Prespacetime journalRequires access

Kaluza-Klein Minimally Interacting Holographic Dark Energy Model Using Linearly Varying Deceleration Parameter in Brans-Dicke Theory of Gravitation

D. R. K. Reddy, S. Anitha, S. Umadevi

Abstract

In this paper, we investigate five dimensional Kaluza-Klein universe filled with minimally interacting dark matter and holographic dark energy in Brans-Dicke (Phys.Rev. 124 : 925, 1961) scalar-tensor theory of gravitation. The exact solutions of the field equations are obtained using: (i) linearly varying deceleration parameter proposed by Akarsu and Dereli (Int. J. Theor. Phys. 51 : 612, 2012); and (ii) a relation between metric potentials. The physical and geometrical aspects of the model are also discussed.

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Key concepts: Physics, Dark energy, Brans–Dicke theory, Deceleration parameter, Scalar–tensor theory, Gravitation, Kaluza–Klein theory, Metric (unit)