Electron vortices in photoionization by a pair of elliptically polarized attosecond pulses

李猛张贵忠赵天琪丁欣姚键铨 · 2017

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期刊名称：

Chinese Optics Letters 2017 年 12 期

摘要：

The photoionization by two elliptically polarized, time delayed attosecond pulses is investigated to display a momentum distribution having the helical vortex or ring structures. The results are obtained by the strong field approximation method and ana...