Molecules in a Bose-Einstein Condensate

American Association for the Advancement of Science (AAAS) - Tập 287 Số 5455 - Trang 1016-1019 - 2000
R. H. Wynar1, R. S. Freeland1, Dian-Jiun Han1, Changhyun Ryu1, D. J. Heinzen1
1Department of Physics, The University of Texas, Austin, TX 78712,#N#USA

Tóm tắt

State-selected rubidium-87 molecules were created at rest in a dilute Bose-Einstein condensate of rubidium-87 atoms with coherent free-bound stimulated Raman transitions. The transition rate exhibited a resonance line shape with an extremely narrow width as small as 1.5 kilohertz. The precise shape and position of the resonance are sensitive to the mean-field interactions between the molecules and the atomic condensate. As a result, we were able to measure the molecule-condensate interactions. This method allows molecular binding energies to be determined with unprecedented accuracy and is of interest as a mechanism for the generation of a molecular Bose-Einstein condensate.

Từ khóa


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We gratefully acknowledge support by NSF the R. A. Welch Foundation and the NASA Microgravity Research Division.