1990•Acta Physica SinicaOpen access

EFFECTS OF HIGH-ORDER IONIZATION PROCESSES IN INTENSE LASER-FIELD INDUCED AUTOIONIZATION

Rongqing Chen, Guanhua Yao, Zhangchen Xu, (1)中国高等科学技术中心(世界实验室)理论物理分中心; (2)中国科学院上海光学精密机械研究所,上海,201800

Abstract

High-order ionization processes, which have been ignored previously in the studies of intense laser-field induced autoionization, are discussed. After obtaining the analytic solution for autoionization spectrum, we investigate in detail the effects of high-order processes. These processes, as shown in the present paper, will affect drastically the autoionization spectrum and the dreesed states of the autoionization state.

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Key concepts: Autoionization, Atomic physics, Ionization, Laser, Physics, Field (mathematics), Order (exchange), Photoionization