Laser脉冲碰撞对高密度等离子体的持续共动加速
Sustained Comoving Acceleration of Overdense Plasmas by Colliding Laser Pulses
摘要：
我们回顾了最近的PIC模拟结果，这些结果表明，从两侧用超强激光脉冲照射薄的过密等离子体板，可以导致表面电子的持续共动加速，其能量远高于传统的有质动力极限。只有当电子横向漂移出激光束时，加速才会停止。我们展示了基于有限激光光斑尺寸的参数研究的最新2.5D结果，并讨论了可用于测试这些结果的未来激光实验。
英文摘要：
We review recent PIC simulation results which show that double-sided irradiation of a thin over- dense plasma slab by ultra-intense laser pulses from both sides can lead to sustained comoving acceleration of surface electrons to energies much higher than the conventional ponderomotive limit. The acceleration stops only when the electrons drift transversely out of the laser beam. We show latest 2.5D results of parameter studies based on finite laser spot size and discuss future laser experiments that can be used to test these results.
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