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Debye Entropic Force and Modified Newtonian Dynamics
Li, X; Chang Z(常哲); Chang, Z
2011
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号55期号:4页码:733-736
通讯作者[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
文章类型Article
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).
关键词entropic force modified Newtonian dynamics
学科领域Physics
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语种英语
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
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.ihep.ac.cn/handle/311005/238382
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Li, X,Chang Z,Chang, Z. Debye Entropic Force and Modified Newtonian Dynamics[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2011,55(4):733-736.
APA Li, X,常哲,&Chang, Z.(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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