Holographic dark energy with varying gravitational constant |
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Authors: | Mubasher Jamil Emmanuel N. Saridakis M.R. Setare |
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Affiliation: | 1. Center for Advanced Mathematics and Physics, National University of Sciences and Technology, Rawalpindi 46000, Pakistan;2. Department of Physics, University of Athens, GR-15771 Athens, Greece;3. Department of Science, Payame Noor University, Bijar, Iran |
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Abstract: | We investigate the holographic dark energy scenario with a varying gravitational constant, in flat and non-flat background geometry. We extract the exact differential equations determining the evolution of the dark energy density-parameter, which include G-variation correction terms. Performing a low-redshift expansion of the dark energy equation of state, we provide the involved parameters as functions of the current density parameters, of the holographic dark energy constant and of the G-variation. |
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Keywords: | 95.36.+x 98.80.-k |
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