Kinetic model for ion pressure perturbations in inhomogeneous laser-matter interactions

Keskinen, M. J.
May 2010
Physics of Plasmas;May2010, Vol. 17 Issue 5, p054507
Academic Journal
A Boltzmann–Vlasov Fokker–Planck model is used to characterize the evolution of ion pressure perturbations from nonuniform laser deposition in a plasma slab. It is found that significant reduction and smoothing of ion pressure perturbations from nonuniform optically smoothed single beam laser deposition can be achieved on hydrodynamic time scales over a range of scale sizes. In addition, it is observed that the ion Fokker–Planck model predicts more smoothing of the ion pressure perturbations from the critical to ablation surface than the ion fluid model.


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