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Gong, Yungui; Wang, Anzhong; Zhang, Yuan-Zhong; Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
On curvature coupling and quintessence fine-tuning
Source PublicationEUROPHYSICS LETTERS
KeywordHolographic Dark Energy Hubble-space-telescope Equation-of-state Cosmological Constant Cosmic Coincidence Scalar Field Model
AbstractWe discuss the phenomenological model in which the potential energy of the quintessence field depends linearly on the energy density of the spatial curvature. We find that the pressure of the scalar field takes a different form when the potential of the scalar field also depends on the scale factor and the energy momentum tensor of the scalar field can be expressed as the form of a perfect fluid. A general coupling is proposed to explain the current accelerating expansion of the Universe and solve the fine-tuning problem.
2006
ISSN0295-5075
Volume74Issue:5Pages:930-936
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5983
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
Recommended Citation
GB/T 7714
Gong, Yungui,Wang, Anzhong,Zhang, Yuan-Zhong,et al. On curvature coupling and quintessence fine-tuning[J]. EUROPHYSICS LETTERS,2006,74(5):930-936.
APA Gong, Yungui,Wang, Anzhong,Zhang, Yuan-Zhong,&Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China.(2006).On curvature coupling and quintessence fine-tuning.EUROPHYSICS LETTERS,74(5),930-936.
MLA Gong, Yungui,et al."On curvature coupling and quintessence fine-tuning".EUROPHYSICS LETTERS 74.5(2006):930-936.
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