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Interacting dark matter and holographic dark energy in an anisotropic universe |
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| Authors: | K S Adhav G B Tayade A S Bansod |
| Institution: | 1. Department of Mathematics, Sant Gadge Baba Amravati University, Amravati, 444602, India 2. Department of Applied Science, SIPNA College of Engineering & Tech, Amravati, 444701, India 3. Department of Applied Science, V.Y.W.S. Polytechnic, Badnera (Rly), 444701, India |
| Abstract: | In this paper we have studied the anisotropic and homogeneous Bianchi type-I universe filled with interacting Dark matter and Holographic dark energy. Here we discussed two models, in first model the solutions of the field equations are obtained for constant value of deceleration parameter where as in the second model the solutions of the field equations are obtained for special form of deceleration parameter. It is shown that for suitable choice of interaction between dark matter and holographic dark energy there is no coincidence problem (unlike ΛCDM). Also, in all the resulting models the anisotropy of expansion dies out very quickly and attains isotropy after some finite time. The Statefinder diagnostic is applied to both the models in order to distinguish between our dark energy models with other existing dark energy models. The physical and geometrical aspects of the models are also discussed. |
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