Shock-induced mix across an ideal interface

2017 
According to particle-in-cell and multi fluid simulations, as a planar shock propagates across an unperturbed classical interface, significant amounts of rearward shocked material are predicted to advect with the shock front over distances that are much larger than an ion-ion collisional mean free path of a shocked ion. This novel mechanism of interface mixing is found to scale strongly with the Mach number (∼M4) and produces an ion population bunch that penetrates the upstream material at nearly the shock speed. Possible implications for ignition capsule designs are conjectured.
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