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arXiv 1012.1305astro-ph.CO
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没有证据表明天空中有异常低方差的圆圈

No evidence for anomalously low variance circles on the sky

Adam Moss, Douglas Scott, James P. Zibin

摘要:

在最近的一篇论文中,Gurzadyan和Penrose声称已经发现了天空中的方向,这些方向的中心是宇宙微波背景(CMB)中异常低方差的圆圈。这些特徴是作为早期宇宙特定图像的证据。我们试图重复这些作者的分析,我们确实可以证实,这种变化确实存在于数据中的点周围的环的温度方差。然而,我们发现,这种变化是完全预期在天空中包含通常的CMB各向异性。换句话说,正确模拟的高斯CMB数据只包含声称的各种变化。Gurzadyan和Penrose没有发现大爆炸前现象的证据,只是重新发现CMB包含结构。

英文摘要:

In a recent paper, Gurzadyan & Penrose claim to have found directions on the sky centred on which are circles of anomalously low variance in the cosmic microwave background (CMB). These features are presented as evidence for a particular picture of the very early Universe. We attempted to repeat the analysis of these authors, and we can indeed confirm that such variations do exist in the temperature variance for annuli around points in the data. However, we find that this variation is entirely expected in a sky which contains the usual CMB anisotropies. In other words, properly simulated Gaussian CMB data contain just the sorts of variations claimed. Gurzadyan & Penrose have not found evidence for pre-Big Bang phenomena, but have simply re-discovered that the CMB contains structure.

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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