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题名: Exact solution of vacuum field equation in Finsler spacetime
作者: Li, X ;  Chang, Z
刊名: PHYSICAL REVIEW D
出版日期: 2014
卷号: 90, 期号:6, 页码:64049
关键词: COSMOLOGICAL CONSTANT ;  SPECIAL RELATIVITY ;  DARK-MATTER ;  CONSTRAINTS ;  GRAVITY ;  SYMMETRY ;  SAMPLE ;  LENGTH
学科分类: Physics
DOI: 10.1103/PhysRevD.90.064049
通讯作者: Li, X (reprint author), Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China.
部门归属: [Li, Xin] Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China ;  [Li, Xin ;  Chang, Zhe] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ;  [Li, Xin ;  Chang, Zhe] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We suggest that the vacuum field equation in Finsler spacetime is equivalent to the vanishing of the Ricci scalar. The Schwarzschild metric can be deduced from a solution of our field equation if the spacetime preserves spherical symmetry. Supposing that the spacetime preserves the symmetry of the "Finslerian sphere," we find a non-Riemannian exact solution of the Finslerian vacuum field equation. The solution is similar to the Schwarzschild metric. It reduces to the Schwarzschild metric as the Finslerian parameter. vanishes. It is proven that the Finslerian covariant derivative of the geometrical part of the gravitational field equation is conserved. The interior solution is also given. We get solutions of the geodesic equation in such a Schwarzschild-like spacetime, and show that the geodesic equation returns to its counterpart in Newtonian gravity in the weak-field approximation. Celestial observations give a constraint on the Finslerian parameter is an element of < 10(-4), and the recent Michelson-Morley experiment requires is an element of < 10(-16). A counterpart of Birkhoff's theorem exists in the Finslerian vacuum. This shows that the Finslerian gravitational field with the symmetry of the "Finslerian sphere" in vacuum must be static.
资助者: NSFC [11375203, 11305181]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000343759400003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15648
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Li, X,Chang, Z. Exact solution of vacuum field equation in Finsler spacetime[J]. PHYSICAL REVIEW D,2014,90(6):64049.
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