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.
Original language | English |
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Article number | 153203 |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 104 |
Issue number | 15 |
DOIs | |
Publication status | Published - 1 Apr 2010 |
Keywords
- quantum systems
- confinement-induced resonances
- quantum-gas systems
- anisotropy
- photonics