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On curvature coupling and quintessence fine-tuning
Gong, Yungui; Wang, Anzhong; Zhang, Yuan-Zhong; Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
2006
发表期刊EUROPHYSICS LETTERS
ISSN0295-5075
卷号74期号:5页码:930-936
摘要We 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.
部门归属Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China; Baylor Univ, CASPER, Dept Phys, Waco, TX 76798 USA; CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Holographic Dark Energy Hubble-space-telescope Equation-of-state Cosmological Constant Cosmic Coincidence Scalar Field Model
学科领域Physics
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收录类别SCI
WOS记录号WOS:000238029500027
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5983
专题理论物理所1978-2010年知识产出
通讯作者Gong, Y , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
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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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