Varying Constants

Details Varying Constants Varying Constants

2005-11-15

arxiv.org/abs/astro-ph/0511440v1

Phil.Trans.Roy.Soc.Lond.A363:2139-2153,2005

Astronomy and Astrophysics

Astrophysics

16 pages, no figures. Talk delivered at the Royal Society Discussion Meeting on 'The Fundamental Constants of Physics, Precisi

Scientific paper

10.1098/rsta.2005.1634

We review properties of theories for the variation of the 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.

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