Kelvin Waves of Quantized Vortex Lines in Trapped Bose-Einstein Condensates

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dc.creatorSimula, T. P.
dc.creatorMizushima, T.
dc.creatorMachida, K.
dc.date2008-03-18
dc.date2008-07-10
dc.date.accessioned2026-07-07T09:49:16Z
dc.date.available2026-07-07T09:49:16Z
dc.descriptionWe have theoretically investigated Kelvin waves of quantized vortex lines in trapped Bose-Einstein condensates. Counterrotating perturbation induces an elliptical instability to the initially straight vortex line, driven by a parametric resonance between a quadrupole mode and a pair of Kelvin modes of opposite momenta. Subsequently, Kelvin waves rapidly decay to longer wavelengths emitting sound waves in the process. We present a modified Kelvin wave dispersion relation for trapped superfluids and propose a simple method to excite Kelvin waves of specific wave number.
dc.description4 pages, 4 figures, title changed, minor revisions
dc.identifierhttps://arxiv.org/abs/0803.2574
dc.identifierhttp://arxiv.org/abs/0803.2574
dc.identifierPhys. Rev. Lett. 101, 020402 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.020402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164522
dc.subjectOther Condensed Matter
dc.titleKelvin Waves of Quantized Vortex Lines in Trapped Bose-Einstein Condensates
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