Inelastic collisions of ultracold heteronuclear molecules in an optical trap

Ultracold RbCs molecules in high-lying vibrational levels of the a3Sigma+ ground electronic state are confined in an optical trap. Inelastic collision rates of these molecules with both Rb and Cs atoms are determined for individual vibrational levels, across an order of magnitude of binding energies...

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Bibliographic Details
Published inPhysical review letters Vol. 100; no. 20; p. 203201
Main Authors Hudson, Eric R, Gilfoy, Nathan B, Kotochigova, S, Sage, Jeremy M, DeMille, D
Format Journal Article
LanguageEnglish
Published United States 23.05.2008
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Summary:Ultracold RbCs molecules in high-lying vibrational levels of the a3Sigma+ ground electronic state are confined in an optical trap. Inelastic collision rates of these molecules with both Rb and Cs atoms are determined for individual vibrational levels, across an order of magnitude of binding energies. The long-range dispersion coefficients for the collision process are calculated and used in a model that accurately reproduce the observed scattering rates.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.100.203201