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Spin-spin interactions in gauge theory of gravity, violation of weak equivalence principle and new classical test of general relativity
Wu N(吴宁); Wu, N
2008
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
卷号49期号:6页码:#REF!
通讯作者Wu, N (reprint author), Chinese Acad Sci, Inst High Energy Phys, POB 918-1, Beijing 100049, Peoples R China.
文章类型Article
摘要For a long time, it has been generally believed that spin-spin interactions can only exist in a theory where Lorentz symmetry is gauged, and a theory with spin-spin interactions is not perturbatively renormalizable. But this is not true. By studying the motion of a spinning particle in gravitational field, it is found that there exist spin-spin interactions in gauge theory of gravity. Its mechanism is that a spinning particle will generate gravitomagnetic field in space-time, and this gravitomagnetic field will interact with the spin of another particle, which will cause spin-spin interactions. So, spin-spin interactions are transmitted by gravitational field. The form of spin-spin interactions in post Newtonian approximations is deduced. This result can also be deduced from the Papapetrou equation. This kind of interaction will not affect the renormalizability of the theory. The spin-spin interactions will violate the weak equivalence principle, and the violation effects are detectable. An experiment is proposed to detect the effects of the violation of the weak equivalence principle.
关键词spin-spin interactions weak equivalence principle equation of motion of a spinning particle experimental test of gravity theory post-Newtonian approximation
学科领域Physics
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000257081000039
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227808
专题实验物理中心
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Wu N,Wu, N. Spin-spin interactions in gauge theory of gravity, violation of weak equivalence principle and new classical test of general relativity[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2008,49(6):#REF!.
APA 吴宁,&Wu, N.(2008).Spin-spin interactions in gauge theory of gravity, violation of weak equivalence principle and new classical test of general relativity.COMMUNICATIONS IN THEORETICAL PHYSICS,49(6),#REF!.
MLA 吴宁,et al."Spin-spin interactions in gauge theory of gravity, violation of weak equivalence principle and new classical test of general relativity".COMMUNICATIONS IN THEORETICAL PHYSICS 49.6(2008):#REF!.
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