Recent experiments suggest that Bose–Einstein condensation (BEC) in liquid4 can be localized when the liquid is confined in porous media. We demonstrate in a simple model of hard core bosons using Monte Carlo that the condensate can be separated into two parts. The two regions of condensate are separated by a region of uncondensed fluid that forms in response to a local attractive external potential. The aim is to illustrate that separated condensates, and therefore localized BEC, can be created in porous media.
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Shams, A., DuBois, J.L. & Glyde, H.R. Localization of Bose–Einstein Condensation by Disorder. J Low Temp Phys 145, 357–367 (2006). https://doi.org/10.1007/s10909-006-9227-3
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DOI: https://doi.org/10.1007/s10909-006-9227-3