Condensate-profile asymmetry of a boson mixture in a disk-shaped harmonic trap

Details Condensate-profile asymmetry of a boson mixture in a disk-shaped harmonic trap Condensate-profile asymmetry of a boson mixture in a disk-shaped harmonic trap

2004-05-19

arxiv.org/abs/cond-mat/0405460v1

Physics

Condensed Matter

Other Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevA.70.063606

A mixture of two types of hard-sphere bosons in a disk-shaped harmonic trap is studied through path-integral quantum Monte Carlo simulation at low temperature. We find that the system can undergo a phase transition to break the spatial symmetry of the model Hamiltonian when some of the model parameters are varied. The nature of such a phase transition is analyzed through the particle distributions and angular correlation functions. Comparisons are made between our calculations and the available mean-field results on similar models. Possible future experiments are suggested to verify our findings.

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