Article ID Journal Published Year Pages File Type
1852781 Physics Letters B 2008 5 Pages PDF
Abstract

Within the context of mass-varying neutrinos, we construct a cosmological model that has a phase transition in the electromagnetic fine structure constant α at a redshift of 0.5. The model accommodates hints of a time variable α in quasar spectra and the nonobservance of such an effect at very low redshifts. It is consistent with limits from the recombination and primordial nucleosynthesis eras and is free of instabilities.

Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics
Authors
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