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VOLUME 61 (1995) | ISSUE 5 | PAGE 362
Trapping atoms by rectified forces in bichromatic optical superlattices
We consider the trapping of atoms by sub-Doppler rectified dipole forces in the Dichromatic superlattice that is formed as macroscopic spatial interference pattern of two superimposed individual optical lattices differing in frequency and wavelength. A simple model is presented for a three-dimensional calculation of the rectified forces and for a semiclassical Monte-Carlo simulation of the trapping process. Our results show that the macroscopic bichromatic traps created at the superlattice sites are very promising for spatially compressing atomic ensembles released, e.g., from a conventional magneto-optical trap.