论文标题
从宇宙学观察中对牛顿的不断构成的限制
Constraints on Newton's Constant from Cosmological Observations
论文作者
论文摘要
牛顿的常数对CMB功率谱和SNIA的光曲线都有观察性影响。我们使用Planck数据，BAO数据和SNIA测量值来限制CMB时期内牛顿的常数$ G $和Pantheon样本的红移范围，并且没有找到任何证据表明$ G $随着红移而变化。通过使用一个免费参数$ g $扩展$λ$ CDM模型，我们得到$ g =（6.65635 _ { - 0.18560}^{+0.18766}） $ h_0 = 67.62^{+1.24} _ { - 1.25} $ km s $^{ - 1} $ mpc $^{ - 1} $ at 68 $ \％$ c.l.来自普朗克$+$ $ $+$未校准的万神殿。结果表明，$ g $的值与Codata 2018一致，但是$ H_0 $张力无法以这种方式解决。
Newton's constant has observational effects on both the CMB power spectra and the light curves of SNIa. We use Planck data, BAO data and the SNIa measurement to constrain the varying Newton's constant $G$ during the CMB epoch and the redshift ranges of PANTHEON samples, and find no evidence indicating that $G$ is varying with redshift. By extending the $Λ$CDM model with one free parameter $G$, we get $G =(6.65635_{-0.18560}^{+0.18766} ) \times 10^{-11} \rm m^3kg^{-1}s^{-2}$ and $H_0=67.62^{+1.24}_{-1.25} $ km s$^{-1}$ Mpc$^{-1}$ at 68$\%$ C.L. from Planck$+$BAO$+$uncalibrated PANTHEON. The results show the value of $G$ is consistent with CODATA 2018, but the $H_0$ tension can't be solved in this way.
