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Debye Entropic Force and Modified Newtonian Dynamics
Li, X; Chang, Z; Li, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
2011
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号55期号:4页码:733-736
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).
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
关键词Black-hole Dark Matter Energy Galaxies Laws
学科领域Physics
资助者National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129]
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129] ; National Natural Science Foundation of China [10525522, 10875129]
WOS记录号WOS:000289985300041
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14384
专题理论物理所SCI论文
通讯作者Li, X (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Li, X,Chang, Z,Li, X . Debye Entropic Force and Modified Newtonian Dynamics[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2011,55(4):733-736.
APA Li, X,Chang, Z,&Li, X .(2011).Debye Entropic Force and Modified Newtonian Dynamics.COMMUNICATIONS IN THEORETICAL PHYSICS,55(4),733-736.
MLA Li, X,et al."Debye Entropic Force and Modified Newtonian Dynamics".COMMUNICATIONS IN THEORETICAL PHYSICS 55.4(2011):733-736.
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