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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Dades bibliogràfiques
Autors principals: Norreys, P, Ceurvorst, L, Ratan, N, Levy, M, Kasim, M, Sadler, J, Scott, R, Trines, R, Huang, T, Skramic, M, Vranic, M, Silva, L
Format: Journal article
Publicat: IOP Publishing 2016
Descripció
Sumari: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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