COHERENT EFFECTS IN INTENSE LASER-FIELD INDUCED AUTOIONIZATION | Zendy

Guanhua Yao | Zendy; XU ZHI-ZHAN | Zendy

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COHERENT EFFECTS IN INTENSE LASER-FIELD INDUCED AUTOIONIZATION

Author(s) -

Guanhua Yao,

XU ZHI-ZHAN

Publication year - 1988

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.37.1760

Subject(s) - autoionization , laser , atomic physics , ionization , photoionization , physics , intensity (physics) , field (mathematics) , x ray photoelectron spectroscopy , electron , photoemission spectroscopy , optics , ion , nuclear magnetic resonance , nuclear physics , quantum mechanics , mathematics , pure mathematics

We investigate in detail the influence of second-order ionization processes on the photo-electron spectrum etc., which has been ignored previously in the study of intense laser-field induced autoionization. It is found that, in the region of laser intensity currently discussed in literature, many physical features are altered significantly. (1) Under certain conditions, line-narrowing effect disappears. (2) The olignal photoelectron peaks are greatly reduced. (3) In agreement with the most recent experimental findings on multiphoton ionization, high-order photoelectron peaks drastically increase with increasing laser intensity, and they dominate the original peaks for sufficiently high Intensities.

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