Ultracold collisions involving heteronuclear alkali metal dimers

We carry out the first quantum dynamics calculations on ultracold atom-diatom collisions in isotopic mixtures. The systems studied are spin-polarized 7Li + 6Li7Li, 7Li + 6Li2, 6Li + 6Li7Li, and 6Li + 7Li2. Reactive scattering can occur for the first two systems even when the molecules are in their g...

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Bibliographic Details
Published in:Physical review letters 2005-05, Vol.94 (20), p.200402.1-200402.4, Article 200402
Main Authors: CVITAS, Marko T, SOLDAN, Pavel, HUTSON, Jeremy M, HONVAULT, Pascal, LAUNAY, Jean-Michel
Format: Article
Language:English
Subjects:
ATOM-MOLECULE COLLISIONS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Condensed Matter
DIATOMS
Exact sciences and technology
LITHIUM 6
LITHIUM 7
MIXTURES
Physics
QUANTUM FIELD THEORY
Quantum Gases
Quantum Physics
SPIN ORIENTATION
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Summary:We carry out the first quantum dynamics calculations on ultracold atom-diatom collisions in isotopic mixtures. The systems studied are spin-polarized 7Li + 6Li7Li, 7Li + 6Li2, 6Li + 6Li7Li, and 6Li + 7Li2. Reactive scattering can occur for the first two systems even when the molecules are in their ground rovibrational states, but is slower than vibrational relaxation in homonuclear systems. Implications for sympathetic cooling of heteronuclear molecules are discussed.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.94.200402