arXiv:hep-ph/0112059·v3·High Energy Physics — Phenomenology
Time-Varying alpha and Particle Physics
T. Banks (Rutgers and UCSC)🇺🇸 · M. Dine (UCSC)🇺🇸 · M. R. Douglas (Rutgers and IHES)🇺🇸
Abstract
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.
Comments: 7 pages, latex, JHEP.cls