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Effects of dark energy interacting with massive neutrinos and dark matter on universe evolution |
Chen Ju-Hua(陈菊华)a)b)† and Wang Yong-Jiu(王永久)a) |
a College of Physics and Information Science, Hunan Normal University, Changsha 410081, China; b Department of Physics and Astronomy, University of Missouri, Columbia, MO 65211, USA |
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Abstract In this paper we investigate the evolution of the cosmology model with dark energy interacting with massive neutrinos and dark matter. Using the numerical method to investigate the dynamical system, we find that the stronger the interaction between dark energy and dark matter, the lower the ratio of dark matter in the universe is; also, the stronger the interaction between dark energy and massive neutrinos, the lower the ratio of massive neutrinos in the universe is. On the other hand, the interaction between dark energy and dark matter or massive neutrinos has an effect on disturbing the universe's acceleration; we also find that our universe is still accelerating.
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Received: 02 April 2009
Revised: 18 May 2009
Accepted manuscript online:
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PACS:
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95.35.+d
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(Dark matter)
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95.30.Cq
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(Elementary particle processes)
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95.36.+x
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(Dark energy)
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98.80.Cq
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(Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.))
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Fund: Project supported by the National
Natural Science Foundation of China (Grant No. 10873004), the
Scientific Research Fund of Hunan Provincial Education Department
(Grant No. 08B051), the Program for Excellent Talents in Hunan
Normal University and the State Key Development Program for Basic
Research Program of China (Grant No. 2010CB832800). |
Cite this article:
Chen Ju-Hua(陈菊华) and Wang Yong-Jiu(王永久) Effects of dark energy interacting with massive neutrinos and dark matter on universe evolution 2010 Chin. Phys. B 19 010401
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