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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 5 — May. 1, 2003
  • pp: 1135–1140

Collision rates in near-resonant optical lattices

Jyrki Piilo  »View Author Affiliations


JOSA B, Vol. 20, Issue 5, pp. 1135-1140 (2003)
http://dx.doi.org/10.1364/JOSAB.20.001135


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Abstract

We present a simple method for calculating the binary collision rate between atoms in near-resonant optical lattices. The method is based on Monte Carlo wave-function simulations, and the collision rate is obtained by monitoring the quantum flux beyond the average distance between the atoms. To illustrate the usefulness of the method, we calculate the collision rates for a wide range of occupation densities and various modulation depths of the lattice. The method presented here, combined with the semiclassical calculations accounting for intrawell collisions, can simplify the study of the effects of binary collisions on the dynamics of atomic clouds trapped in near-resonant optical lattices.

© 2003 Optical Society of America

OCIS Codes
(020.2070) Atomic and molecular physics : Effects of collisions
(020.7010) Atomic and molecular physics : Laser trapping

Citation
Jyrki Piilo, "Collision rates in near-resonant optical lattices," J. Opt. Soc. Am. B 20, 1135-1140 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-5-1135

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