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arXiv 1502.06801gr-qc
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银河系中心S2星和太阳系对ADM四分体重力参数空间的约束

Constraints on ADM tetrad gravity parameter space from S2 star in the center of the Galaxy and from the Solar System

Mattia Villani

摘要:

ADM四分体引力是对广义相对论的一种哈密顿形式的重新表述,它为暗物质问题提供了新的见解。通过拟合S2恒星绕银河系中心黑洞的轨道,并利用太阳系中一些行星的近日点,对具有Yukawa型曲率的ADM四分体引力的参数空间施加约束,以跟踪三维超曲面的外曲率.我们发现耦合的\emph{strength},$4.2 \,\times \, 10^{-4} \, \text{AU}\,\lesssim \, δ\, \lesssim \, 4.6 \, \times \, 10^{-4} \, \text{AU}$,和(逆)尺度长度,$μ\, \lesssim \, 3.5 \, \times \, 10^{-6} \, \text{AU}^{-1}$的上限非常严格的限制。

英文摘要:

ADM tetrad gravity is an Hamiltonian reformulation of General Relativity which gives new insight to the Dark Matter Problem. We impose constraints on the parameter space of ADM tetrad gravity with a Yukawa-like ansatz for the trace of the extrinsic curvature of the 3D hypersurfaces by fitting the orbit of the S2 star around the Black Hole in the Galactic center and using the perihelia of some of the planets of the Solar System. We find very thight constraints on the \emph{strength} of the coupling, $4.2 \,\times \, 10^{-4} \, \text{AU}\,\lesssim \, δ\, \lesssim \, 4.6 \, \times \, 10^{-4} \, \text{AU}$, and an upper limit for the (inverse) scale length, $μ\, \lesssim \, 3.5 \, \times \, 10^{-6} \, \text{AU}^{-1}$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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