Ionization and stabilization of a two-electron atom in a strong electromagnetic field |
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Authors: | E. A. Volkova V. V. Gridchin A. M. Popov O. V. Tikhonova |
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Affiliation: | (1) Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119992, Russia |
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Abstract: | Direct numerical simulations are performed to analyze stabilization of a two-electron model atom in a strong electromagnetic field. The system is found to be stabilized with respect to both single and double ionization. By comparing the present results with those concerning stability of one-electron atoms, it is shown that stabilization is due to the formation of a Kramers-Henneberger two-electron atom. Ionization and stabilization characteristics of excited singlet and triplet states of an atomic system are examined. |
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