Fast rotation of an ultra-cold Bose gas

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dc.creatorBretin, Vincent
dc.creatorStock, Sabine
dc.creatorSeurin, Yannick
dc.creatorDalibard, Jean
dc.date2003-07-18
dc.date.accessioned2026-07-07T02:52:27Z
dc.date.available2026-07-07T02:52:27Z
dc.descriptionWe study the rotation of a $^{87}$Rb Bose-Einstein condensate confined in a magnetic trap to which a focused, off resonant gaussian laser beam is superimposed. The confining potential is well approximated by the sum of a quadratic and a quartic term which allows to increase the rotation frequency of the gas above the trap frequency. In this fast rotation regime we observe a dramatic change in the appearance of the quantum gas. The vortices which were easily detectable for a slower rotation become much less visible, and their surface density is well below the value expected for this rotation frequency domain. We discuss some possible tracks to account for this effect.
dc.identifierhttps://arxiv.org/abs/cond-mat/0307464
dc.identifierhttp://arxiv.org/abs/cond-mat/0307464
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21848
dc.subjectMesoscale and Nanoscale Physics
dc.titleFast rotation of an ultra-cold Bose gas
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