Experimental study of the BEC-BCS crossover region in lithium 6
We report Bose-Einstein condensation of weakly bound 6Li2 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 2D expansion of the cloud and show deviation from hydro...
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| Veröffentlicht in: | Physical review letters 2004-07, Vol.93 (5), p.050401.1-050401.4, Article 050401 |
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| container_end_page | 050401.4 |
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| container_issue | 5 |
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| container_title | Physical review letters |
| container_volume | 93 |
| creator | BOURDEL, T KHAYKOVICH, L CUBIZOLLES, J ZHANG, J CHEVY, F TEICHMANN, M TARRUELL, L KOKKELMANS, S. J. J. M. F SALOMON, C |
| description | We report Bose-Einstein condensation of weakly bound 6Li2 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 2D expansion of the cloud and show deviation from hydrodynamic behavior in the BEC-BCS crossover region. |
| doi_str_mv | 10.1103/physrevlett.93.050401 |
| format | Article |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Classical and quantum physics: mechanics and fields Exact sciences and technology Fermion systems and electron gas Matter waves Physics Quantum statistical mechanics Statistical physics, thermodynamics, and nonlinear dynamical systems |
| title | Experimental study of the BEC-BCS crossover region in lithium 6 |
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