Momentum distribution of a Fermi gas of atoms in the BCS-BEC crossover

Details Momentum distribution of a Fermi gas of atoms in the BCS-BEC crossover Momentum distribution of a Fermi gas of atoms in the BCS-BEC crossover

2005-07-13

arxiv.org/abs/cond-mat/0507316v2

Physics

Condensed Matter

Other Condensed Matter

Includes revisions to Figure 3 and references

Scientific paper

10.1103/PhysRevLett.95.250404

We observe dramatic changes in the atomic momentum distribution of a Fermi gas in the region of the BCS-BEC crossover. We study the shape of the momentum distribution and the kinetic energy as a function of interaction strength. The momentum distributions are compared to a mean-field crossover theory, and the kinetic energy is compared to theories for the two weakly interacting limits. The temperature dependence of the distribution is also presented.

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