NDLI: Pairing effects in ultra-cold fermionic lithium

Content Provider	IEEE Xplore Digital Library
Author	McKcever, J. Tarruell, L. Teichmarm, M. Chevy, F. Zhang, J. Khaykovich, L. van Kemperi, E.G.M. Kokkelmans, S.J.J.M.F. Salomon, C.
Copyright Year	2005
Description	Author affiliation: Lab. Kastler Brossel, Ecole Normale Superieure, Paris, France (McKcever, J.; Tarruell, L.; Teichmarm, M.; Chevy, F.)
Abstract	Experiments on ultra-cold fermionic /sup 6/Li confined in a crossed dipole trap. /sup 6/Li possesses Feshbach resonances both in the s-wave and p-wave channels. This features enables the exploration of both s-wave and p-wave pairing mechanisms. We first discuss our observation of Bose-Einstein condensation of /sup 6/Li/sub 2/ molecules in the low-magnetic field wing the s-wave Feshbach located at /spl sim/ 834 G. The molecular BEC offers a good starting point for the exploration of the BEC-BCS (Bardeen-Cooper-Schrieffer) crossover. We have also located p-wave Feshbach resonances in the two lowest hyperfine states of /sup 6/Li. The experimental positions of these resonances are in good agreement with those predicted by coupled channel calculations. We have studied the atom losses close to these resonances and have developed a semi-analytical model capturing our experimental findings.
File Size	746971
File Format	PDF
ISBN	0780389735
DOI	10.1109/EQEC.2005.1567386
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-12
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lithium Physics Magnetic resonance Gallium nitride Land surface temperature Stationary state Particle scattering Magnetic fields Magnetic variables control Gases
Content Type	Text
Resource Type	Article

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