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Large effects of electric fields on atom-molecule collisions at millikelvin temperatures

Parazzoli, LP; Fitch, NJ; Zuchowski, PS; Hutson, JM; Lewandowsk, HJ

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Authors

LP Parazzoli

NJ Fitch

PS Zuchowski

HJ Lewandowsk



Abstract

Controlling interactions between cold molecules using external fields can elucidate the role of quantum mechanics in molecular collisions. We create a new experimental platform in which ultracold rubidium atoms and cold ammonia molecules are separately trapped by magnetic and electric fields and then combined to study collisions. We observe inelastic processes that are faster than expected from earlier field-free calculations. We use quantum scattering calculations to show that electric fields can have a major effect on collision outcomes, even in the absence of dipole-dipole interactions.

Citation

Parazzoli, L., Fitch, N., Zuchowski, P., Hutson, J., & Lewandowsk, H. (2011). Large effects of electric fields on atom-molecule collisions at millikelvin temperatures. Physical Review Letters, 106(19), Article 193201. https://doi.org/10.1103/physrevlett.106.193201

Journal Article Type Article
Publication Date Jan 1, 2011
Deposit Date Feb 2, 2012
Publicly Available Date Mar 29, 2024
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 106
Issue 19
Article Number 193201
DOI https://doi.org/10.1103/physrevlett.106.193201

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Published Journal Article (475 Kb)
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Copyright Statement
© 2011 American Physical Society




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