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

Parazzoli, L.P. and Fitch, N.J. and Zuchowski, P.S. and Hutson, J.M. and Lewandowsk, H.J. (2011) 'Large effects of electric fields on atom-molecule collisions at millikelvin temperatures.', Physical review letters., 106 (19). p. 193201.

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.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevLett.106.193201
Publisher statement:© 2011 American Physical Society
Date accepted:No date available
Date deposited:27 June 2013
Date of first online publication:2011
Date first made open access:No date available

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