Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 49, Issue 11, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/49/11/114006
Keywords
Rydberg atoms; ion-pair states; ultracold atoms; control of reactions
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Funding
- National Science Foundation
- Smithsonian Astrophysical Observatory
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In excited molecules, the interaction between the covalent Rydberg and ion-pair channels forms a unique class of excited states, in which the infinite manifold of vibrational levels are the equivalent of atomic Rydberg states with a heavy electron mass. Production of the ion-pair states usually requires excitation through one or several interacting Rydberg states; these interacting channels lead to loss of flux, diminishing the rate of ion-pair production. Here, we develop an analytical, asymptotic charge-transfer model for the interaction between ultracold Rydberg molecular states, and employ this method to demonstrate the utility of off-resonant field control over the ion-pair formation, with near unity efficiency.
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