Varying constants

Varying constants
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DOI:
10.1098/rsta.2005.1634
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发表时间:
2005-11
期刊:
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
影响因子:
--
通讯作者:
John G. Barrow
John G. Barrow
中科院分区:
其他
文献类型:
--
作者:
John G. Barrow

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我们回顾了引力和精细结构“常数”变化的理论性质。我们突出了一些一般的特点,宇宙学模型,存在于这些理论与最近的类星体的数据是一致的精细结构常数的时间变化,因为红移3.5。一个简单的一类不同的α宇宙学的行为概述了所有的观测约束。
We review properties of theories for the variation of gravitation and fine structure ‘constants’. We highlight some general features of the cosmological models that exist in these theories with reference to recent quasar data that are consistent with time variation in the fine structure constant since a redshift of 3.5. The behaviour of a simple class of varying-alpha cosmologies is outlined in the light of all the observational constraints.