Shape oscillation of a rotating Bose-Einstein condensate

We present a theoretical and experimental analysis of thetransverse monopole mode of a fast rotating Bose-Einsteincondensate. The condensate's rotation frequency is similar to thetrapping frequency and the effective confinement is only ensuredby a weak quartic potential. We show that the non-harmoniccharacter of the potential has a clear influence on the modefrequency, thus making the monopole mode a precise tool for theinvestigation of the fast rotation regime.

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Source https://hal.science/hal-00000817
Author Stock, Sabine, Bretin, Vincent, Chevy, Frédéric, Dalibard, Jean
Maintainer CCSD
Last Updated May 11, 2026, 08:34 (UTC)
Created May 11, 2026, 08:34 (UTC)
Identifier hal-00000817
Language en
Rights https://about.hal.science/hal-authorisation-v1/
contributor Laboratoire Kastler Brossel (LKB (Lhomond)) ; Fédération de recherche du Département de physique de l'Ecole Normale Supérieure - ENS Paris (FRDPENS) ; École normale supérieure - Paris (ENS-PSL) ; Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS-PSL) ; Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)
creator Stock, Sabine
date 2003-11-05T00:00:00
harvest_object_id da28480b-bada-44a9-847f-9c9061b24385
harvest_source_id 3374d638-d20b-4672-ba96-a23232d55657
harvest_source_title test moissonnage SELUNE
metadata_modified 2026-05-08T00:00:00
relation info:eu-repo/semantics/altIdentifier/arxiv/cond-mat/0311099
set_spec type:UNDEFINED