Effect of realistic interatomic interactions and two-body correlation on the heat capacity of a trapped BEC

Details Effect of realistic interatomic interactions and two-body correlation on the heat capacity of a trapped BEC Effect of realistic interatomic interactions and two-body correlation on the heat capacity of a trapped BEC

2009-06-30

arxiv.org/abs/0906.5426v2

2009 J. Phys. B: At. Mol. Opt. Phys. 42 215302

Physics

Condensed Matter

Quantum Gases

15 pages, 5 figures

Scientific paper

10.1088/0953-4075/42/21/215302

An approximate many-body theory has been used to calculate the heat capacity and the condensate fraction of a BEC with effective repulsive interaction. The effect of interactions has been analyzed and compared with the non-interacting case. It has been found that the repulsive interaction lowers the critical temperature from the value found in the non-interacting case. The difference between the critical temperatures increases with the increase in the total number of atoms in the trap.

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