Were Fundamental Constants Different in the Past?
Abstract
Atomic physics, nuclear physics, and cosmology enable physicists to probe changes in the fine-structure constant over time scales ranging from a few years to nearly the age of the universe.
- Publication:
-
Physics Today
- Pub Date:
- October 2004
- DOI:
- 10.1063/1.1825267
- Bibcode:
- 2004PhT....57j..40O
- Keywords:
-
- atomic forces;
- nuclear physics;
- fundamental law tests;
- constants;
- cosmology