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Phys. Rev. Lett. 84, 5744–5747 (2000)

Trapping Neutral Molecules in a Traveling Potential Well

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Hendrick L. Bethlem, Giel Berden, André J. A. van Roij, Floris M. H. Crompvoets, and Gerard Meijer
FOM–Institute for Plasmaphysics Rijnhuizen, P.O. Box 1207, NL-3430 BE Nieuwegein, The Netherlands,
and Department of Molecular and Laser Physics, University of Nijmegen, Toernooiveld 1, NL-6525 ED Nijmegen, The Netherlands

Received 11 February 2000; published in the issue dated 19 June 2000

A series of pulsed electric fields can be arranged such that it creates a traveling potential well in which neutral dipolar molecules can be confined. This provides a method to transport, to decelerate, and to cool a sample of neutral molecules while maintaining the initial phase-space density. This method is described using the concept of phase stability. The oscillating motion of molecules in the traveling potential well, reaching a minimum velocity spread corresponding to a translational temperature of 4 mK, is experimentally observed.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.84.5744
DOI:
10.1103/PhysRevLett.84.5744
PACS:
33.80.Ps, 33.55.Be