Abstract
On the basis of the integrated simulations for ultra-intense laser-matter interactions, we demonstrated the long-scale (∼20μm) low-density plasma generation by the irradiation of low intensity pre-pulse and its effects on the fast electron generation. It is also found that the resistivity jump at the material contact surface in the low-temperature multi-layer solid target generates the strong magnetic field when the direction of gradient of resistivity is nearly perpendicular to the fast electron beam direction. The fast electron beam is scattered by this field, which strongly affects the target heating properties.
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