| GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS |
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Reconstruction of New Holographic Chaplygin Gas Model with Viscosity |
| WU Ya-Bo**, TONG Hai-Dan, YANG Hao, LU Jian-Bo, ZHAO Yue-Yue, LU Jun-Wang, ZHANG Xue |
Department of Physics, Liaoning Normal University, Dalian 116029
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| Cite this article: |
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WU Ya-Bo, TONG Hai-Dan, YANG Hao et al 2014 Chin. Phys. Lett. 31 029801 |
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Abstract We investigate the interacting new holographic dark energy (HDE) with viscosity. Specifically, we not only study the dynamical evolutions of the new HDE with viscosity and the influences of viscosity as well as the coupling constant on the equation of state for the new HDE, but also establish the correspondence between the new HDE with viscosity and variable generalized Chaplygin gas (VGCG) models in the flat Friedmann–Robertson–Walker universe. Furthermore, we also reconstruct the potential and the dynamics of VGCG as the scalar field. By analysis we show that for the new holographic Chaplygin gas model, if the related parameters to the potential satisfy some constraints, the accelerated expansion can be achieved. These research results can reduce to the ones without viscosity.
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Received: 18 October 2013
Published: 28 February 2014
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| PACS: |
98.80.-k
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(Cosmology)
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98.80.Jk
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(Mathematical and relativistic aspects of cosmology)
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04.20.-q
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(Classical general relativity)
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