Ground state of a mixture of two bosonic Calogero-Sutherland gases with strong odd-wave interspecies attraction

Details Ground state of a mixture of two bosonic Calogero-Sutherland gases with strong odd-wave interspecies attraction Ground state of a mixture of two bosonic Calogero-Sutherland gases with strong odd-wave interspecies attraction

2009-12-24

arxiv.org/abs/0912.4893v2

Physics

Condensed Matter

Quantum Gases

13 pages, 10 figures, revtex4. This is the final version published in Phys. Rev. A 81, 043601 (2010).

Scientific paper

A model of two Calogero-Sutherland Bose gases A and B with strong odd-wave AB attractions induced by a p-wave AB Feshbach resonance is studied. The ground state wave function is found analytically by a Bose-Bose duality mapping, which permits one to accurately determine static physical properties by a Monte Carlo method. The condensation of particles or particle pairs (molecules) is tested by analyzing the presence of the off-diagonal long-range order in one- or two-body density matrices. The p-wave symmetry of AB interaction makes possible quasi-condensation of type A particles at the Fermi momentum of the B component. The zero-temperature phase diagram is drawn in terms of densities and interaction strengths.

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