Abstract
Signals for and Lorentz violation at the Planck scale may arise in hydrogen and antihydrogen spectroscopy. We show that certain and hyperfine transitions can exhibit theoretically detectable effects unsuppressed by any power of the fine-structure constant.
- Received 20 July 1998
DOI:https://doi.org/10.1103/PhysRevLett.82.2254
©1999 American Physical Society