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Effects of spacetime anisotropy on the galaxy rotation curves
Chang Z(常哲); Li MH(李明华); Li X(李昕); Lin HN(林海南); 王赛;Chang, Z; Li, MH; Li, X; Lin, HN; Wang, S
2013
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号73期号:5页码:2447
摘要The observations on galaxy rotation curves show significant discrepancies from the Newtonian theory. This issue could be explained by the effect of the anisotropy of the spacetime. Conversely, the spacetime anisotropy could also be constrained by the galaxy rotation curves. Finsler geometry is a kind of intrinsically anisotropic geometry. In this paper, we study the effect of the spacetime anisotropy at galactic scales in the Finsler spacetime. It is found that the Finslerian model has close relations with the Milgrom's MOND. By performing the best-fit procedure to the galaxy rotation curves, we find that the anisotropic effects of the spacetime become significant when the Newtonian acceleration GM/r(2) is smaller than the critical acceleration a(0). Interestingly, the critical acceleration a0, although varies between different galaxies, is in the order of magnitude cH(0)/2 pi similar to 10(-10) ms(-2).
学科领域Physics
DOI10.1140/epjc/s10052-013-2447-1
收录类别SCI
WOS记录号WOS:000319518900028
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被引频次:5[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/311005/224460
专题理论物理室
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Chang Z,Li MH,Li X,et al. Effects of spacetime anisotropy on the galaxy rotation curves[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(5):2447.
APA 常哲.,李明华.,李昕.,林海南.,王赛;Chang, Z.,...&Wang, S.(2013).Effects of spacetime anisotropy on the galaxy rotation curves.EUROPEAN PHYSICAL JOURNAL C,73(5),2447.
MLA 常哲,et al."Effects of spacetime anisotropy on the galaxy rotation curves".EUROPEAN PHYSICAL JOURNAL C 73.5(2013):2447.
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