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题名: Effect of Earth
作者: Shao, CG ;  Zhang, YZ ;  Luan, EJ ;  Luo, J ;  Liu, ZZ
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2003
卷号: 39, 期号:3, 页码:297-300
关键词: UNIVERSALITY ;  SEARCH ;  FORCE
学科分类: Physics
通讯作者: Shao, CG , Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China.
部门归属: Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; China Natl Space Adm, Beijing, Peoples R China
英文摘要: Owing to Earth's rotation a free-fall body would move in an elliptical orbit rather than along a straight line forward to the center of the Earth. In this paper on the basis of the theory for spin-spin coupling between macroscopic rotating bodies we study violation of the equivalence principle from long-distance free-fall experiments by means of a rotating ball and a non-rotating shell. For the free-fall time of 40 s, the difference between the orbits of the two free-fall bodies is of the order of 10(-9) cm which could be detected by an SQUID magnetometer because such a magnetometer can be used to measure displacements as small as 10(-13) cm.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13341
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Shao, CG,Zhang, YZ,Luan, EJ,et al. Effect of Earth[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2003,39(3):297-300.
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文件名: Effect of Earth's rotation on the trajectories of free-fall bodies in equivalence principle experiment.pdf
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