Controlling electronic spin relaxation of cold molecules with electric fields.

Full Abstract

We present a theoretical study of atom-molecule collisions in superimposed electric and magnetic fields and show that dynamics of electronic spin relaxation in molecules at temperatures below 0.5 K can be manipulated by varying the strength and the relative orientation of the applied fields. The mechanism of electric field control of Zeeman transitions is based on an intricate interplay between intramolecular spin-rotation couplings and molecule-field interactions. We suggest that electric fields may affect chemical reactions through inducing nonadiabatic spin transitions and facilitate evaporative cooling of molecules in a magnetic trap.

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Author information

Author/s: Tscherbul, T V (TV); Krems, R V (RV);

Affiliation: Department of Chemistry, University of British Columbia, Vancouver, B.C. V6T 1Z1, Canada.

Journal and publication information

Publication Type: Journal Article

Journal: Physical review letters (Phys Rev Lett), published in United States. (Language: eng)

Reference: 2006-Aug; vol 97 (issue 8) : pp 083201

Dates: Created 2006/10/09; Completed 2006/12/06;

PMID: 17026301, status: PubMed-not-MEDLINE (last retrieval date: 12/26/2008)

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