Title: Collective excitations of harmonically trapped ideal gases
Authors: Van Schaeybroeck, Bert ×
Lazarides, Achilleas #
Issue Date: 2009
Publisher: Springer-Verlag Heidelberg
Series Title: European Physical Journal B, Condensed Matter Physics vol:68 issue:3 pages:329-333
Conference: Novel Quantum Phases and Mesoscopic Physics in Quantum Gases location:Grenoble date:2008
Abstract: We theoretically study the collective excitations of an ideal gas confined in an isotropic harmonic trap. We give an exact solution to the Boltzmann-Vlasov equation; as expected for a single-component system, the associated mode frequencies are integer multiples of the trapping frequency. We show that the expressions found by the scaling ansatz method are a special case of our solution. Our findings are most useful in case the trap contains more than one phase: we demonstrate how to obtain the oscillation frequencies in case an interface is present between the ideal gas and a different phase.
ISSN: 1434-6028
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Theoretical Physics Section
× corresponding author
# (joint) last author

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