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题名: Debye Entropic Force and Modified Newtonian Dynamics
作者: Li, X ;  Chang, Z
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2011
卷号: 55, 期号:4, 页码:733-736
关键词: BLACK-HOLE ;  DARK MATTER ;  ENERGY ;  GALAXIES ;  LAWS
学科分类: Physics
通讯作者: Li, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Li Xin] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Chang Zhe] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China; [Li Xin; Chang Zhe] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
英文摘要: Verlinde has suggested that the gravity has enentropic origin, and a gravitational system could be regarded as a thermodynamical system. It is well-known that the equipartition law of energy is invalid at very low temperature. Therefore, entropic force should be modified while the temperature of the holographic screen is very low. It is shown that the modified entropic force is proportional to the square of the acceleration, while the temperature of the holographic screen is much lower than the Debye temperature T(D). The modified entropic force returns to the Newton's law of gravitation while the temperature of the holographic screen is much higher than the Debye temperature. The modified entropic force is connected with modified Newtonian dynamics (MOND). The constant a(0) involved in MOND is linear in the Debye frequency omega(D), which can be regarded as the largest frequency of the bits in screen. We find that there do have a strong connection between MOND and cosmology in the frame work of Verlinde's entropic force, if the holographic screen is taken to be bound of the Universe. The Debye frequency is linear in the Hubble constant H(0).
资助者: National Natural Science Foundation of China [10525522, 10875129]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000289985300041
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14384
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Li, X,Chang, Z. Debye Entropic Force and Modified Newtonian Dynamics[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2011,55(4):733-736.
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