Atomic collision dynamics in optical lattices

Details Atomic collision dynamics in optical lattices Atomic collision dynamics in optical lattices

2001-07-20

arxiv.org/abs/physics/0107053v1

Phys. Rev. A 65, 033411 (2002) (16 pages)

Physics

Atomic Physics

17 pages, 15 figures

Scientific paper

10.1103/PhysRevA.65.033411

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.

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