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Igor Ivanov
초강력 레이저과학 연구단
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Time evolution of the lateral-velocity distribution for a strong-field-ionization process

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Title
Time evolution of the lateral-velocity distribution for a strong-field-ionization process
Author(s)
I. A. Ivanov
Publication Date
2016-05
Journal
PHYSICAL REVIEW A, v.93, no.5, pp.053403 -
Publisher
AMER PHYSICAL SOC
Abstract
We study time development of a cusp in the lateral-velocity distribution for the process of strong-field ionization. The lateral-velocity distribution is computed using an ab initio quantum mechanical procedure for the moments of time inside and after the end of the laser pulse. We show that at the moment of time corresponding to the midpoint of the laser pulse the lateral-velocity distribution is a smooth Gaussian curve, its parameters agreeing very well with the predictions of the tunelling theories. At the moment of time corresponding to the end of the pulse the lateral-velocity distribution narrows considerably, showing the initial stage of the cusp-formation process due to the Coulomb focusing effect. Following evolution of the ionized wave packet yet further in time we consider the cusp formation in detail. © 2016 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/2495
DOI
10.1103/PhysRevA.93.053403
ISSN
2469-9926
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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