Laser modification of ultracold collisions: Experiment

P. D. Lett, P. S. Jessen, W. D. Phillips, S. L. Rolston, C. I. Westbrook, P. L. Gould

Research output: Contribution to journalArticle

66 Scopus citations

Abstract

Julienne recently predicted a dramatic laser-intensity-dependent modification of the associative ionization (AI) rate in ultracold collisions. We observe such a modification, but with a behavior inconsistent with the originally proposed mechanism. Furthermore, we find resonant structure in the spectrum of AI rate versus laser frequency, showing the importance of molecular bound states in the AI process. These observations are explained in a new theoretical treatment by Julienne and Heather (preceding Letter).

Original languageEnglish (US)
Pages (from-to)2139-2142
Number of pages4
JournalPhysical review letters
Volume67
Issue number16
DOIs
StatePublished - Jan 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Lett, P. D., Jessen, P. S., Phillips, W. D., Rolston, S. L., Westbrook, C. I., & Gould, P. L. (1991). Laser modification of ultracold collisions: Experiment. Physical review letters, 67(16), 2139-2142. https://doi.org/10.1103/PhysRevLett.67.2139