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Interaction of NH(X-3 Sigma(-)) molecules with rubidium atoms : implications for sympathetic cooling and the formation of extremely polar molecules.

Soldan, P. and Hutson, J. M. (2004) 'Interaction of NH(X-3 Sigma(-)) molecules with rubidium atoms : implications for sympathetic cooling and the formation of extremely polar molecules.', Physical review letters., 92 (16). pp. 163202-1.

Abstract

The Rb-NH interaction is investigated as a prototype for interactions between alkali-metal atoms and stable molecules. For spin-aligned Rb and NH that interact on a quartet surface (4A[prime][prime]), the interaction is relatively weak, with a well depth of 0.078 eV. However, there are also doublet surfaces of ion-pair character that are very much deeper (well depth 1.372 eV). They may be important for atom-molecule collision rates and offer the possibility of forming strongly dipolar molecules by photoassociation. Similar deeply bound ion-pair states are likely to exist for other alkali atom-molecule pairs.

Item Type:Article
Full text:PDF - Published Version (129Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevLett.92.163202
Publisher statement:© 2004 by The American Physical Society. All rights reserved.
Record Created:03 May 2007
Last Modified:20 Sep 2010 16:31

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