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APS » Phys. Rev. Lett. » Volume 98 » Issue 25

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Phys. Rev. Lett. 98, 253002 (2007) [4 pages]

Magnetoelectrostatic Trapping of Ground State OH Molecules

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Brian C. Sawyer, Benjamin L. Lev, Eric R. Hudson, Benjamin K. Stuhl, Manuel Lara, John L. Bohn, and Jun Ye
JILA, National Institute of Standards and Technology and University of Colorado, Department of Physics, University of Colorado, Boulder, Colorado 80309-0440, USA

Received 16 February 2007; published 21 June 2007

Wereport magnetic confinement of neutral, ground state OH at adensity of ~3×10³ cm^-3 and temperature of ~30 mK. An adjustable electricfield sufficiently large to polarize the OH is superimposed onthe trap in various geometries, making an overall potential arisingfrom both Zeeman and Stark effects. An effective molecular Hamiltonianis constructed, with Monte Carlo simulations accurately modeling the observed single-moleculedynamics in various trap configurations. Magnetic trapping of cold polarmolecules under adjustable electric fields may enable study of lowenergy dipolar interactions.

©2007 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevLett.98.253002
DOI:	10.1103/PhysRevLett.98.253002
PACS:	33.80.Ps; 33.15.Kr; 33.55.Be; 39.10.+j 33.80.Ps Optical cooling of molecules; trapping 33.15.Kr Molecular electric and magnetic moments (and derivatives), polarizability, and magnetic susceptibility 33.55.Be Zeeman and Stark effects (molecules) 39.10.+j Atomic and molecular beam sources and techniques YEAR: 2007

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