Laser polarization control of autoionization in the helium atomстатья
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Местоположение издательства:[Bristol, UK], England
Первая страница:1568
Последняя страница:1575
Аннотация:The resonance coupling of the 2s2p P-1 and 2s3d D-1 autoionizing, states in the helium atom by a laser field with arbitrary polarization is studied in the framework of the non-Hemitian effective Hamiltonian approach. We provide an analytical expression for the photoionization cross section of the ground state by VUV probe radiation with arbitrary polarization in the vicinity of the 2s2p P-1 state. The calculations demonstrate strong changes in the resonance structure of the cross section with variation of the probe and laser polarizations. The effect is caused by the interference of different transitions between the laser-coupled manifold of magnetic sublevels.