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Phys. Rev. Lett. 90, 043006 (2003) [4 pages]

Linking Ultracold Polar Molecules

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A. V. Avdeenkov and John L. Bohn*
JILA and Department of Physics, University of Colorado, Boulder, Colorado 80309-0440

Received 23 August 2002; published 31 January 2003

See accompanying Physics Focus

We predict that pairs of polar molecules can be weakly bound together in an ultracold environment, provided that a dc electric field is present. The field that links the molecules together also strongly influences the basic properties of the resulting dimer, such as its binding energy and predissociation lifetime. Because of their long-range character, these dimers will be useful in disentangling cold collision dynamics of polar molecules. As an example, we estimate the microwave photoassociation yield for OH-OH cold collisions.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.043006
DOI:
10.1103/PhysRevLett.90.043006
PACS:
33.90.+h, 36.90.+f

*Electronic address: bohn@murphy.colorado.edu