Confinement-induced resonances in low-dimensional quantum systems

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Haller, Elmar and Mark, Manfred J. and Hart, Russell and Danzl, Johann G. and Reichsöllner, Lukas and Melezhik, Vladimir and Schmelcher, Peter and Nägerl, Hanns-Christoph (2010) Confinement-induced resonances in low-dimensional quantum systems. Physical Review Letters, 104 (15). 153203. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.104.153203)

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Abstract

We report on the observation of confinement-induced resonances in strongly interacting quantum-gas systems with tunable interactions for one-and two-dimensional geometry. Atom-atom scattering is substantially modified when the s-wave scattering length approaches the length scale associated with the tight transversal confinement, leading to characteristic loss and heating signatures. Upon introducing an anisotropy for the transversal confinement we observe a splitting of the confinement-induced resonance. With increasing anisotropy additional resonances appear. In the limit of a two-dimensional system we find that one resonance persists.

ORCID iDs

Haller, Elmar ORCID logoORCID: https://orcid.org/0000-0002-7951-1721, Mark, Manfred J., Hart, Russell, Danzl, Johann G., Reichsöllner, Lukas, Melezhik, Vladimir, Schmelcher, Peter and Nägerl, Hanns-Christoph;
  • Item type:Article
    ID code:43326
    Dates:
    Date
    Event
    1 April 2010
    Published
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:26 Mar 2013 10:33
    Last modified:31 Jan 2025 18:20
    URI:https://strathprints.strath.ac.uk/id/eprint/43326
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