# Collisional effects on the electrostatic shock dynamics in thin-foil targets driven by an ultraintense short pulse laser

@article{Sundstrom2020CollisionalEO,
title={Collisional effects on the electrostatic shock dynamics in thin-foil targets driven by an ultraintense short pulse laser},
author={Andr'eas Sundstrom and L. Gremillet and E. Siminos and I. Pusztai},
journal={arXiv: Plasma Physics},
year={2020}
}
We numerically investigate the impact of Coulomb collisions on the ion dynamics in high-$Z$, solid density caesium hydride and copper targets, irradiated by high-intensity ($I\approx2{-}5\times10^{20}{\rm\,Wcm^{-2}}$), ultrashort (${\sim}10{\rm\,fs}$), circularly polarized laser pulses, using particle-in-cell simulations. Collisions significantly enhance electron heating, thereby strongly increasing the speed of a shock wave launched in the laser-plasma interaction. In the caesium hydride… Expand

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