Superfluidity of an interacting trapped quasi-two-dimensional Bose gas. Simula, P, T, Davis, J, M, Blakie, & B, P Phys. Rev. A, 77(2):023618, 2008. Paper doi abstract bibtex We investigate the harmonically trapped interacting Bose gas in a quasi-two-dimensional geometry using the classical field method. The system exhibits quasi-long-range order and nonclassical rotational inertia at temperatures below the Berezinskii-Kosterlitz-Thouless crossover to the superfluid state. In particular, we compute the scissors-mode oscillation frequencies and find that the irrotational mode changes its frequency as the temperature is swept across the crossover thus providing microscopic evidence for the emergence of superfluidity.
@article{ Simula:2008fn,
author = {Simula, T P and Davis, M J and Blakie, P B},
title = {{Superfluidity of an interacting trapped quasi-two-dimensional Bose gas}},
journal = {Phys. Rev. A},
year = {2008},
volume = {77},
number = {2},
pages = {023618},
affiliation = {Univ Aarhus, Dept Phys {\&} Astron, Lundbeck Fdn Theort Ctr Quantum Syst Res, DK-8000 Aarhus C, Denmark},
doi = {10.1103/PhysRevA.77.023618},
language = {English},
read = {Yes},
rating = {0},
date-added = {2009-02-03T21:39:15GMT},
date-modified = {2015-04-08T22:48:10GMT},
abstract = {We investigate the harmonically trapped interacting Bose gas in a quasi-two-dimensional geometry using the classical field method. The system exhibits quasi-long-range order and nonclassical rotational inertia at temperatures below the Berezinskii-Kosterlitz-Thouless crossover to the superfluid state. In particular, we compute the scissors-mode oscillation frequencies and find that the irrotational mode changes its frequency as the temperature is swept across the crossover thus providing microscopic evidence for the emergence of superfluidity.},
url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PLRAAN000077000002023618000001&idtype=cvips&gifs=yes},
local-url = {file://localhost/Users/abradley/Dropbox/Library.papers3/Files/9D/9DDE4A43-B9FA-4515-9892-FD03CE258B47.pdf},
file = {{9DDE4A43-B9FA-4515-9892-FD03CE258B47.pdf:/Users/abradley/Dropbox/Library.papers3/Files/9D/9DDE4A43-B9FA-4515-9892-FD03CE258B47.pdf:application/pdf}},
uri = {̆rl{papers3://publication/doi/10.1103/PhysRevA.77.023618}}
}
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