One and two dimensional Bose-Einstein condensation of atoms in dark
magneto-optical lattices
release_y5pr3tinprfudimjytpdztvucy
by
A. V. Taichenachev, A. M. Tumaikin, V. I. Yudin (Novosibirsk State
University)
1999
Abstract
The motion of atoms in a dark magneto-optical lattice is considered. This
lattice is formed by a non-uniformly polarized laser field in the presence of a
static magnetic field. Cold atoms are localized in the vicinity of points where
dark states are not destroyed by a magnetic field. As a result the optical
interaction tends to zero (dark or gray lattices). Depending on the field
configuration such a lattice can exhibit one or two-dimensional periodicity. It
is shown that in 1D and 2D dark magneto-optical lattices the effects connected
with the Bose-statistics of particles can be observed under the temperature
10^-5-10^-6K and densities 10^11-10^12 cm^-3, those are usual for
current experiments on laser cooling.
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