Time-Varying Fine-Structure Constant Requires Cosmological Constant

Details Time-Varying Fine-Structure Constant Requires Cosmological Constant Time-Varying Fine-Structure Constant Requires Cosmological Constant

1999-08-31

arxiv.org/abs/astro-ph/9908356v1

Mod.Phys.Lett. A14 (1999) 1917

Astronomy and Astrophysics

Astrophysics

3 pages, no figures, revtex, to be published in Mod. Phys. Lett. A

Scientific paper

10.1142/S021773239900198X

Webb et al. presented preliminary evidence for a time-varying fine-structure
constant. We show Teller's formula for this variation to be ruled out within
the Einstein-de Sitter universe, however, it is compatible with cosmologies
which require a large cosmological constant.

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