Observation of Feshbach-like resonances in collisions between ultracold molecules

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dc.creatorChin, C.
dc.creatorKraemer, T.
dc.creatorMark, M.
dc.creatorHerbig, J.
dc.creatorWaldburger, P.
dc.creatorNaegerl, H. -C.
dc.creatorGrimm, R.
dc.date2004-11-10
dc.date.accessioned2026-07-07T12:44:17Z
dc.date.available2026-07-07T12:44:17Z
dc.descriptionWe observe magnetically tuned collision resonances for ultracold Cs2 molecules stored in a CO2-laser trap. By magnetically levitating the molecules against gravity, we precisely measure their magnetic moment. We find an avoided level crossing which allows us to transfer the molecules into another state. In the new state, two Feshbach-like collision resonances show up as strong inelastic loss features. We interpret these resonances as being induced by Cs4 bound states near the molecular scattering continuum. The tunability of the interactions between molecules opens up novel applications such as controlled chemical reactions and synthesis of ultracold complex molecules.
dc.identifierhttps://arxiv.org/abs/cond-mat/0411258
dc.identifierhttp://arxiv.org/abs/cond-mat/0411258
dc.identifierPhys.Rev.Lett.94:123201,2005
dc.identifierdoi:10.1103/PhysRevLett.94.123201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220715
dc.subjectOther Condensed Matter
dc.titleObservation of Feshbach-like resonances in collisions between ultracold molecules
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