Mitigating the hosing instability in relativistic laser-plasma interactions

Mitigating the hosing instability in relativistic laser-plasma interactions

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A new physical model of the hosing instability that includes relativistic laser pulses and moderate densities is presented and derives the density dependence of the hosing equation. This is tested against two-dimensional particle-in-cell simulations. These simulations further examine the feasibility...

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Bibliographic Details
Main Authors: Ceurvorst, L, Ratan, N, Levy, M, Kasim, M, Sadler, J, Scott, R, Trines, R, Huang, T, Skramic, M, Vranic, M, Silva, L, Norreys, P
Format: Journal article
Published: Institute of Physics 2016
Description
Summary:A new physical model of the hosing instability that includes relativistic laser pulses and moderate densities is presented and derives the density dependence of the hosing equation. This is tested against two-dimensional particle-in-cell simulations. These simulations further examine the feasibility of using multiple pulses to mitigate the hosing instability in a Nd:glass-type parameter space. An examination of the effects of planar versus cylindrical exponential density gradients on the hosing instability is also presented. The results show that strongly relativistic pulses and more planar geometries are capable of mitigating the hosing instability which is in line with the predictions of the physical model.

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