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Pré-Publication, Document De Travail Année : 2004

Experimental Study of the BEC-BCS Crossover Region in Lithium 6

Résumé

We report Bose-Einstein condensation of weakly bound $^6$Li$_2$molecules in a crossed optical trap near a Feshbach resonance. We measure a molecule-molecule scattering length of$170^{+100}_{-60}$\,nm at 770\,G, in good agreement with theory.We study the expansion of the cloud in the BEC-BCS crossoverregion.
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Dates et versions

hal-00001237 , version 1 (02-03-2004)
hal-00001237 , version 2 (03-03-2004)
hal-00001237 , version 3 (02-04-2004)

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Thomas Bourdel, L. Khaykovich, J. Cubizolles, J. Zhang, F. Chevy, et al.. Experimental Study of the BEC-BCS Crossover Region in Lithium 6. 2004. ⟨hal-00001237v3⟩
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