Kinetic Monte Carlo modelling of dipole blockade in Rydberg excitation experiment

Details Kinetic Monte Carlo modelling of dipole blockade in Rydberg excitation experiment Kinetic Monte Carlo modelling of dipole blockade in Rydberg excitation experiment

2008-03-31

arxiv.org/abs/0803.4481v1

Physics

Atomic Physics

23 pages. Submitted to New Journal of Physics

Scientific paper

10.1088/1367-2630/10/4/045031

We present a method to model the interaction and the dynamics of atoms excited to Rydberg states. We show a way to solve the optical Bloch equations for laser excitation of the frozen gas in good agreement with the experiment. A second method, the Kinetic Monte Carlo method gives an exact solution of rate equations. Using a simple N-body integrator (Verlet), we are able to describe dynamical processes in space and time. Unlike more sophisticated methods, the Kinetic Monte Carlo simulation offers the possibility of numerically following the evolution of tens of thousands of atoms within a reasonable computation time. The Kinetic Monte Carlo simulation gives good agreement with dipole-blockade type of experiment. The role of ions and the individual particle effects are investigated.

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