Time-varying fine-structure constant requires cosmological constant

Authors
Kuhne, RW
Citation
Rw. Kuhne, Time-varying fine-structure constant requires cosmological constant, MOD PHY L A, 14(27), 1999, pp. 1917-1922
Citations number
45
Categorie Soggetti
Physics
Journal title
MODERN PHYSICS LETTERS A
ISSN journal
02177323 → ACNP
Volume
14
Issue
27
Year of publication
1999
Pages
1917 - 1922
Database
ISI
SICI code
0217-7323(19990907)14:27<1917:TFCRCC>2.0.ZU;2-U
Abstract
Webb et al. presented preliminary evidence for a time-varying fine-structur e constant. We show Teller's formula for this variation to be ruled out wit hin the Einstein-de Sitter universe, however, it is compatible with cosmolo gies which require a large cosmological constant.