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Suppression of resonant auger effect with chirped x-ray free-electron laser pulse
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2018 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 51, no 3, article id 035602Article in journal (Refereed) Published
Abstract [en]

We study the Auger effect in the presence of strong x-ray free-electron lasers (XFELs) propagating through resonant argon vapors by solving the Maxwell-Bloch equations numerically. The simulations are based on the three-level system with the carrier frequency tuned in the 2p(3/2)-4s resonance. It is shown that the Auger branching is sensitive to the pulse area and duration. The relative Auger yield can be suppressed in the course of pulse propagation due to the interplay between the Auger decay and stimulated emission. Further suppression can be achieved by chirping the initial pulse, which is more effective for the long-pulse case. In addition, the sign and magnitude of the chirp rate play important roles in pulse reshaping and Auger emission.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2018. Vol. 51, no 3, article id 035602
Keyword [en]
Auger yield, chirped pulse, x-ray free-electron laser
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-221917DOI: 10.1088/1361-6455/aa9784ISI: 000419626700002Scopus ID: 2-s2.0-85040721011OAI: oai:DiVA.org:kth-221917DiVA, id: diva2:1179468
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QC 20180201

Available from: 2018-02-01 Created: 2018-02-01 Last updated: 2018-02-01Bibliographically approved

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Gel'mukhanov, Faris

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