Strong-field approximation and its modifications as evolution equations

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Title
Strong-field approximation and its modifications as evolution equations
Author(s)
Ivanov, IA; Chang Hee Nam; Kyung Taec Kim
Publication Date
2019-01
Journal
PHYSICAL REVIEW A, v.99, no.1, pp.013417 -
Publisher
AMER PHYSICAL SOC
Abstract
We describe an approach based on the view of the well-known strong-field approximation (SFA) as an evolution equation. From this point of view the SFA is a nonhomogeneous evolution equation with the inhomogeneous term which determines the departure of the approximate evolution driven by the SFA from the evolution driven by the exact ab initio time-dependent Schrodinger equation (TDSE). A modification of this nonhomogeneous evolution equation making the inhomogeneous term smaller produces results for the photoelectron spectra which agree quantitatively well with the TDSE results for a system with the Coulomb interaction (we use hydrogen as an example). ©2019 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/5754
ISSN
2469-9926
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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