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Atomic collision dynamics in optical lattices | | J. Piilo
; K.-A. Suominen
; K. Berg-Sorensen
; | | Date: |
20 Jul 2001 | | Journal: | Phys. Rev. A 65, 033411 (2002) (16 pages) | | Subject: | Atomic Physics | physics.atom-ph | | Affiliation: | 1,2), K. Berg-Sorensen ( Helsinki Institute of Physics, Finland, University of Turku, Finland, Nordita, Denmark | | Abstract: | We simulate collisions between two atoms, which move in an optical lattice under the dipole-dipole interaction. The model describes simultaneously the two basic dynamical processes, namely the Sisyphus cooling of single atoms, and the light-induced inelastic collisions between them. We consider the J=1/2 -> J=3/2 laser cooling transition for Cs, Rb and Na. We find that the hotter atoms in a thermal sample are selectively lost or heated by the collisions, which modifies the steady state distribution of atomic velocities, reminiscent of the evaporative cooling process. | | Source: | arXiv, physics/0107053 | | Services: | Forum | Review | PDF | Favorites | |
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