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|Title:||Quantum corrections to the semiclassical Hartree-Fock theory of a harmonically trapped Bose gas|
Van Zyl, B.P.
|Citation:||Schumayer, D., Cormack, S., Van Zyl, B.P., Farry, J., Collin, A., Zaremba, E., Hutchinson, D.A.W. (2012-08). Quantum corrections to the semiclassical Hartree-Fock theory of a harmonically trapped Bose gas. European Physical Journal D 66 (8) : -. ScholarBank@NUS Repository. https://doi.org/10.1140/epjd/e2012-30225-y|
|Abstract:||Using the phase-space expansion of the thermodynamical distribution functions we provide a general and systematic method for including effects beyond the local-density approximation to the semiclassical Hartree-Fock theories. We illustrate the method by applying it to the case of a strictly two-dimensional, harmonically trapped Bose gas. Thereby, we address the ambiguous prediction of the Hartree-Fock approximation, namely, whether a fixed number of trapped atoms undergoes Bose-Einstein condensation or not. We also investigate the dependence of the critical temperature on the interaction strength. © EDP Sciences, Societ́ Italiana di Fisica, Springer-Verlag 2012.|
|Source Title:||European Physical Journal D|
|Appears in Collections:||Staff Publications|
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