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题名: Nutational oscillatory effect of the test body in space equivalence principle experiments
作者: Shao, CG ;  Zhang, YZ ;  Luo, J
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2004
卷号: 41, 期号:2, 页码:211-214
关键词: ARBITRARY GRAVITATIONAL SOURCE ;  STEP EXPERIMENT ;  TEST MASSES ;  RELEVANCE ;  MISSION ;  EARTH
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
英文摘要: The significance of quadrupole gravitational force is discussed for test mass in equivalence principle (EP), and the angular moment acting on a cylindrically symmetrical body due to quadrupole force is calculated, which will result in nutational oscillatory effect. The oscillations contain a perturbation with the same frequency of EP violation signal, which is mitigated by two different methods as in Galileo Galilei (GG) mission and muSCOPE. In GG the sensor for readout is sensitive to differential forces in the orbital plane perpendicular to spin axis of test cylinders. In order to, mitigate the nutational oscillatory effect, test mass should be rapidly rotated with the spin axis. However, in muSCOPE, the readout sensitive axis is the symmetry axis in the orbital plane. This nutational oscillation will produce a second order effect in the rotation amplitude at twice the signal frequency, and could be subtracted easily, too.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000189186900010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14123
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,Luo, J. Nutational oscillatory effect of the test body in space equivalence principle experiments[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2004,41(2):211-214.
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