Microcanonical initial distribution strategy for classical simulations in strong field physics

Francois Mauger (1, 2) , Adam Kamor (3) , Cristel Chandre (2, 1) , Turgay Uzer (3)

1 CPT - Ex E8 Dynamique non linéaire
2 CPT - Centre de Physique Théorique - UMR 7332
3 Center for Nonlinear Science, School of Physics

Classical models in strong field physics typically require a careful selection of initial conditions which correspond accurately to the state selection. We compare two such procedures, the (many) pilot atom technique and the microcanonical strategy. We show that for some range of parameters, the pilot atom strategy may lead to artifacts due to the correlations between the different initial conditions. On the other hand, the microcanonical strategy is, by design, free of such artifacts for all admissible parameters.

Domaines: Physique Atomique [physics.atom-ph]

Francois Mauger, Adam Kamor, Cristel Chandre, Turgay Uzer. Microcanonical initial distribution strategy for classical simulations in strong field physics. UVX 2012 - 11e Colloque sur les Sources Cohérentes et Incohérentes UV, VUV et X ; Applications et Développements Récents, Jun 2012, Biarritz, France. pp.01017, ⟨10.1051/uvx/201301017⟩. ⟨hal-00716886⟩