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F. Cardone, R. Mignani, W. Perconti

ABSTRACT

We present a possible explanation of the discrepancy between theory and experiment (observed by Chikkatur et at.) in the collisional density of impurities in a Bose-Einstein condensate of sodium atoms. The discrepancy is ascribed to the fact that the experiment was carried out in a situation of strong instability, where small variations of the initial number of impurities in the condensate may give rise to a large variation in the number of colliding atoms.

Modern Physics Letters B 17, 22, 1143 (2003)
DOI: 10.1142/S0217984903006141