Auger effect in the presence of strong x-ray pulses : научное издание

Liu J. C.; Sun Y. P.; Wang C. K.; Ågren H.; Gel'Mukhanov F.

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База данных: Каталог библиотеки СФУ

Библиографическое описание: Auger effect in the presence of strong x-ray pulses : научное издание / J. C. Liu [et al.]. - Текст : непосредственный // Physical Review A: Atomic, Molecular, and Optical Physics. - 2010. - Т. 81, № 4. - P. 043412. - ISSN 1050-2947. - ISSN 1094-1622, DOI 10.1103/PhysRevA.81.043412.

Аннотация: We study the role of propagation of strong x-ray free-electron laser pulses on the Auger effect. When the system is exposed to a strong x-ray pulse the stimulated emission starts to compete with the Auger decay. As an illustration we present numerical results for Ar gas with the frequency of the incident x-ray pulse tuned in the 2p3/2-4s resonance. It is shown that the pulse propagation is accompanied by two channels of amplified spontaneous emission, 4s-2p3/2 and 3s-2p3/2, which reshape the pulse when the system is inverted. The population inversion is quenched for longer propagation distances where lasing without inversion enhances the Stokes component. The results of simulations show that the propagation of the strong x-ray pulses affect intensively the Auger branching ratio. © 2010 The American Physical Society.

Год издания: 2010

Авторы: Liu J. C. , Sun Y. P. , Wang C. K. , Ågren H. , Gel'Mukhanov F.

Издательство: American Physical Society

Источник: Physical Review A: Atomic, Molecular, and Optical Physics

Выпуск: Т. 81, № 4

Номера страниц: 043412

Держатель оригинала документа: College of Physics and Electronics,Shandong Normal University, Theoretical Chemistry,School of Biotechnology,Royal Institute of Technology

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