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Igor Ivanov
초강력 레이저과학 연구단
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Photoionization in the presence of circularly polarized fundamental and odd-order harmonic fields

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Title
Photoionization in the presence of circularly polarized fundamental and odd-order harmonic fields
Author(s)
I.A. Ivanov; Chang Hee Nam; Kyung Taec Kim
Publication Date
2017-05
Journal
PHYSICAL REVIEW A, v.95, no.5, pp.053401 -
Publisher
AMER PHYSICAL SOCAmerican Physical Society
Abstract
We present a study of the photoelectron spectra for the ionization process driven by counterrotating and corotating circularly polarized fundamental and odd-order harmonic fields. The main features of the spectra, such as symmetric lobed structures, are understood using simple arguments based on the strong field approximation (SFA) picture of ionization. A deviation from this picture is, most notably, the presence of the low-energy structures (LES) in the spectra. We show that the Rydberg states populated as a result of the combined absorption of the photons from the fundamental and harmonic fields are responsible for the origin of LES. © 2017 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/3538
DOI
10.1103/PhysRevA.95.053401
ISSN
2469-9926
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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