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arXiv 2101.01372astro-ph.CO
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哈勃张力的结构分析

A structured analysis of Hubble tension

Wim Beenakker, David Venhoek

摘要:

随着早期和晚期来源的哈勃参数观测的改善,它们之间的张力已经增加到远高于5 $σ$阈值。有鉴于此,对这种紧张关系的解释的必要性越来越大。在本文中,我们探索了一组7个假设,并表明,为了缓解哈勃的紧张局势,一个模型需要打破这7个中的至少一个,为新的模型提案提供了一个快速简便的应用检查。我们还使用这个框架,使目前提出的模型进行粗略的分类,并显示存在至少一个探索不足的途径,缓解哈勃的紧张局势。

英文摘要:

As observations of the Hubble parameter from both early and late sources have improved, the tension between these has increased to be well above the 5$σ$ threshold. Given this, the need for an explanation of such a tension has grown. In this paper, we explore a set of 7 assumptions, and show that, in order to alleviate the Hubble tension, a model needs to break at least one of these 7, providing a quick and easy to apply check for new model proposals. We also use this framework to make a rough categorisation of current proposed models, and show the existence of at least one under-explored avenue of alleviating the Hubble tension.

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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