可变常数
Varying constants.
作者信息
Barrow John D
机构信息
DAMTP, Centre for Mathematical Sciences, Cambridge University, Cambridge CB3 0WA, UK.
出版信息
Philos Trans A Math Phys Eng Sci. 2005 Sep 15;363(1834):2139-53. doi: 10.1098/rsta.2005.1634.
PMID:16147502
Abstract
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.
摘要
我们回顾了引力和精细结构“常数”变化理论的性质。参照近期与红移3.5以来精细结构常数随时间变化相一致的类星体数据，我们强调了这些理论中存在的宇宙学模型的一些一般特征。根据所有观测约束概述了一类简单的可变α宇宙学的行为。
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