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          Institute: MPI für Kernphysik     Collection: Physics of Cold Molecular Ions and Ultra-Cold Ensembles     Display Documents



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ID: 27800.0, MPI für Kernphysik / Physics of Cold Molecular Ions and Ultra-Cold Ensembles
Mixture of ultracold lithium and cesium atoms in an optical dipole trap
Authors:Mosk, A.; Kraft, S.; Mudrich, M.; Singer, K.; Wohlleben, W.; Grimm, R.; Weidemüller, M.
Language:English
Date of Publication (YYYY-MM-DD):2001-12
Title of Journal:Applied Physics B-Lasers and Optics
Journal Abbrev.:Appl. Phys. B-Lasers Opt.
Volume:73
Issue / Number:8
Start Page:791
End Page:799
Review Status:not specified
Audience:Experts Only
Abstract / Description:We present the first simultaneous trapping of two different ultracold atomic species in a conservative trap. Lithium and cesium atoms are stored in an optical dipole trap formed by the focus of a CO2 laser. Techniques for loading both species of atoms are discussed and observations of elastic and inelastic collisions between the two species are presented. A model for sympathetic cooling of two species with strongly different mass in the presence of slow evaporation is developed. From the observed Cs-induced evaporation of Li atoms we estimate a cross-section for cold elastic Li-Cs collisions.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group D. Schwalm/Ultra-cold Ensembles (M. Weidemüller)
External Affiliations:Innsbruck Univ, Inst Expt Phys, A-6020 Innsbruck, Austria
Identifiers:ISI:000173171800005 [ID No:1]
ISSN:0946-2171 [ID No:2]
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