Enhanced Ionization of Linear Polyatomic Molecular Ions in Ultrashort Laser Fields

Chin. Phys. Lett.

1999, Vol. 16

Issue (4): 264-266 DOI:

Original Articles

Enhanced Ionization of Linear Polyatomic Molecular Ions in Ultrashort Laser Fields

LEI An-le^1,2;NI Guo-quan¹;LI Zhong¹;ZHAI Hua-jin¹;XU Zhi-zhan¹

¹Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 ²Institute of Nuclear Physics and Chemistry, P.O. Box 525-74, Chengdu 610003

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LEI An-le, NI Guo-quan, LI Zhong et al 1999 Chin. Phys. Lett. 16 264-266

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Abstract 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.

Keywords: 33.80.Rv

Published: 01 April 1999

PACS:

33.80.Rv

(Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1999/V16/I4/0264

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