Time-varying alpha and particle physics.
We argue that models in which an observable variation of the fine structure constant is explained by motion of a cosmic scalar field are not stable under renormalization and require massive fine-tuning that cannot be explained by any known mechanism.
Banks
Tom
T
Department of Physics and Astronomy, Rutgers University NHETC, Piscataway, New York, USA. banks@physics.rutgers.edu
Dine
Michael
M
Douglas
Michael
M