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Tuesday
| October 17 2006 | 4:00 p.m. | MIT Room 26-214
Robin Côté (University of Connecticut)
"Ultracold polar molecules: forming, trapping, cooling, and using them"
Ultracold molecules, and in particular polar molecules, are
a new playground to study fundamental phenomena such
as ultracold chemistry, detection of the electron dipole
moment, or the behavior of degenerate gases with dipolar
forces. This talk will focus on ultracold polar molecules.
Their formation into deep bound levels of the singlet or
triplet electronic ground states via photoassociation will
be discussed. Because of their permanent dipole moment,
one-photon stimulated formation directly from the continuum
is possible. Comparison of the formation routes using
one and two-photon processes, as well as the effect of Feshbach
resonances on the formation rate, will be given. In addition,
the use of evanescent-wave mirrors as controllable microtraps
will be explored; such devices could trap and cool molecules.
Finally, a promising new application of polar molecules
to quantum information processing will be outlined.
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