Biexcitons injected at zero momentum into a CuCl film are observed to scatter preferentially into a strongly pumped state at a finite wavevector. These results imply the existence of a Bose-condensed state, at least in the presence of the laser pumping.
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Physical and Theoretical Chemistry
- Electrical and Electronic Engineering