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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2024, Volume 120, Issue 12, Pages 917–923
DOI: https://doi.org/10.31857/S0370274X24120144 (Mi jetpl7395) 		 
OPTICS AND NUCLEAR PHYSICS

Two-photon ionization of single atoms localized on the Bessel beam axis

M. D. Kiselevabc, E. V. Gryzlovab, M. M. Popovab, A. N. Grum-Grzhimailoba

a School of Physics and Engineering, ITMO University, St. Petersburg, 197101 Russia
b Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991 Russia
c Laboratory for Modeling of Quantum Processes, Pacific National University, Khabarovsk, 680035 Russia
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DOI: https://doi.org/10.31857/S0370274X24120144
Abstract: In the article the effect of twisting of Bessel radiation on two-photon ionization of single atoms localized on the axis of the incident beam is studied. The matrix element of two-photon ionization of this type is obtained for arbitrary polarization and multipolarity of the incident radiation. The differential and integral probability of ionization of an atom over the photoemission angle is analyzed. Illustrative calculations are performed for helium and neon atoms in the simplest case of a circularly polarized field in the electric dipole approximation in the single-active-electron model.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation FEME-2024-0005
075-15-2021-1353
Russian Science Foundation 23-62-10026
The development of a formalism for describing two-photon ionization of a single atom by Bessel waves was supported by the Russian Science Foundation, project 23-62-10026 (https://rscf.ru/project/23-62-10026/). The analysis of cross sections and angular distributions was carried out with the financial support of the Ministry of Science and Higher Education of the Russian Federation, grant 075-15-2021-1353. The computational part of the work was supported by the Ministry of Science and Higher Education of the Russian Federation within the project FEME-2024-0005.
Received: 02.10.2024
Revised: 29.10.2024
Accepted: 12.11.2024
English version:
Journal of Experimental and Theoretical Physics Letters, 2024, Volume 120, Issue 12, Pages 879–885
DOI: https://doi.org/10.1134/S0021364024603762
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. D. Kiselev, E. V. Gryzlova, M. M. Popova, A. N. Grum-Grzhimailo, “Two-photon ionization of single atoms localized on the Bessel beam axis”, Pis'ma v Zh. Èksper. Teoret. Fiz., 120:12 (2024), 917–923; JETP Letters, 120:12 (2024), 879–885
Citation in format AMSBIB
\Bibitem{KisGryPop24}
\by M.~D.~Kiselev, E.~V.~Gryzlova, M.~M.~Popova, A.~N.~Grum-Grzhimailo
\paper Two-photon ionization of single atoms localized on the Bessel beam axis
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2024
\vol 120
\issue 12
\pages 917--923
\mathnet{http://mi.mathnet.ru/jetpl7395}
\crossref{https://doi.org/10.31857/S0370274X24120144}
\edn{https://elibrary.ru/IOZHDK}
\transl
\jour JETP Letters
\yr 2024
\vol 120
\issue 12
\pages 879--885
\crossref{https://doi.org/10.1134/S0021364024603762}
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