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Phys. Rev. A 71, 045601 (2005) [4 pages]

Feshbach resonances in fermionic 6Li

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C. H. Schunck, M. W. Zwierlein, C. A. Stan, S. M. F. Raupach, and W. Ketterle
Department of Physics, MIT-Harvard Center for Ultracold Atoms, and Research Laboratory of Electronics, MIT, Cambridge, Massachusetts 02139, USA

A. Simoni, E. Tiesinga, C. J. Williams, and P. S. Julienne
National Institute of Standards and Technology, 100 Bureau Drive stop 8423, Gaithersburg, Maryland 20899-8423, USA

Received 14 July 2004; published 5 April 2005

Feshbach resonances in 6Li were experimentally studied and theoretically analyzed. In addition to two previously known s -wave resonances, three p -wave resonances were found. Four of these resonances are narrow and yield a precise value of the singlet scattering length. The position of the broad s -wave resonance near 83  mT is mostly sensitive to the triplet potential. It was previously determined in a molecule-dissociation experiment for which we, here, discuss systematic shifts.


©2005 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.71.045601
DOI: 10.1103/PhysRevA.71.045601
PACS: 03.75.Ss, 32.80.Pj, 34.50.Pi

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