Enhanced Ionization of Linear Polyatomic Molecular Ions in Ultrashort Laser Fields
Anle LeiInstitute of Nuclear Physics and Chemistry, P. O. Box 525-74, Chengdu 610003Guoquan NiShanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800Li ZhongShanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800Hua‐Jin ZhaiShanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800Zhizhan XuShanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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Аннотация
The ionization behavior of linear polyatomic molecular ions in ultrashort, intense laser fields was investigated with the time-dependent Schrödinger equation solved by the standard split-operator algorithm. The enhanced ionization effect was found as a general feature in the ions when the internuclear separation was in a critical distance range and can be explained in terms of the field-induced over-barrier ionization mechanism. In addition, the ionization energy does not influence the ionization probability significantly.
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