Cold Bose gases with large scattering lengths
Cowell, S. · Heiselberg, H. · Mazets, I. E. · Morales, J. · Pandharipande, V. R. · Pethick, C. J.
Original · EN
We calculate the energy and condensate fraction for a dense system of bosons interacting through an attractive short range interaction with positive s-wave scattering length a. At high densities, n>>a⁻³, the energy per particle, chemical potential, and square of the sound speed are independent of the scattering length and proportional to n²/³, as in Fermi systems.
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