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中国物理学会期刊

电子在超强激光场中的动力学特性

CSTR: 32037.14.aps.48.650

ELECTRON DYNAMICS IN THE EXTRA-INTENSE STATIONARY LASER FIELD

CSTR: 32037.14.aps.48.650
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  • 模拟研究了自由电子在超强激光场中的动力学特性,发现当场强高达Q=eE/mecω100时,电子动力学行为将出现全新的现象,其特征为描写激光束的有质动力势模型已完全不再适用,能量较低的电子有可能进入强场区,被光束所俘获,并被剧烈地加速.详细地讨论了这一俘获与加速的规律,指出这一新现象对发展远场激光加速器的意义.

     

    Electron dynamics in the extra-intense stationary laser field has been investigated by numerical simulation method.It is found,for the first time to our knowledge,that when Q100(Q=eE/mecω,is a dimensionless parameter measuring the field intenstiy),the electron with relatively lower energy can be captured and violently accelerated by the laser beam.This is a new phenmenon which is of potential importance to the far-field laser acceleration in vacuum.

     

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