Compositeness Effects in the Bose-Einstein Condensation

Details Compositeness Effects in the Bose-Einstein Condensation Compositeness Effects in the Bose-Einstein Condensation

2002-10-14

arxiv.org/abs/cond-mat/0210310v1

J.Phys.A36:9045-9052,2003

Physics

Condensed Matter

Soft Condensed Matter

17 pages, 1 table

Scientific paper

10.1088/0305-4470/36/34/307

Small deviations from purely bosonic behavior of trapped atomic Bose-Einstein condensates are investigated with the help of the quon algebra, which interpolates between bosonic and fermionic statistics. A previously developed formalism is employed to obtain a generalized version of the Gross-Pitaeviskii equation. Two extreme situations are considered, the collapse of the condensate for attractive forces and the depletion of the amount of condensed atoms with repulsive forces. Experimental discrepancies observed in the parameters governing the collapse and the depletion of the condensates can be accounted for by universal fittings of the deformation parameter for each case.

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