Progress in the Bose-Einstein condensation of biexcitons in CuCl
- 1 March 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 70 (9) , 1303-1306
- https://doi.org/10.1103/physrevlett.70.1303
Abstract
The occupancy of the K=0 ground state of the biexciton in CuCl is measured by nonlinear optical methods. An increase of the optical phase conjugation signal is observed when a random high density of biexcitons is injected into the crystal. The corresponding increase of coherency is attributed to a quantum attraction towards a Bose-Einstein condensate of biexcitons.Keywords
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