Interacting HDE and NADE in Brans-Dicke Chameleon Cosmology

Details Interacting HDE and NADE in Brans-Dicke Chameleon Cosmology Interacting HDE and NADE in Brans-Dicke Chameleon Cosmology

2010-10-03

arxiv.org/abs/1010.0385v3

Phys.Lett.B694:284-288,2011

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, version accepted at Phys. Lett. B

Scientific paper

10.1016/j.physletb.2010.10.019

Motivated by the recent work of one of us [1], we generalize this work to the case where the pressureless dark matter and the holographic dark energy do not conserve separately but interact with each other. We investigate the cosmological applications of interacting holographic dark energy in Brans-Dicke theory with chameleon scalar field which is non-minimally coupled to the matter field. We find out that in this model the phantom crossing can be constructed if the model parameters are chosen suitably. We also perform the study for the new agegraphic dark energy model and calculate some relevant cosmological parameters and their evolution.

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