Abstract
In quantum-beat and Hanle-effect experiments, spontaneous-emission events from two coherently excited states are strongly correlated. A doubly resonant laser cavity driven by such atomic configurations can have vanishing diffusion coefficient for the relative phase angle.
- Received 26 September 1985
DOI:https://doi.org/10.1103/PhysRevLett.55.2802
©1985 American Physical Society