Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/17212
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dc.contributor.authorLuc-Koenig, E.en
dc.contributor.authorAymar, M.en
dc.contributor.authorLecomte, J. M.en
dc.contributor.authorLyras, A.en
dc.date.accessioned2015-11-24T18:37:45Z-
dc.date.available2015-11-24T18:37:45Z-
dc.identifier.issn1434-6060-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/17212-
dc.rightsDefault Licence-
dc.subjectproduct-state controlen
dc.subjectrydberg statesen
dc.subjectmultiphoton ionizationen
dc.subject2-photon ionizationen
dc.subjectautoionizing statesen
dc.subjectpopulation transferen
dc.subjectcontinuumen
dc.subjectinterferenceen
dc.subjectexcitationen
dc.subjectbariumen
dc.titleR-matrix calculation of Raman couplings and dynamical Stark shifts in heavy alkaline-earth atomsen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondary<Go to ISI>://000084619100003-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.publicationDate1999-
heal.abstractWe report a theoretical approach based on a combination of jj-coupled eigenchannel R-matrix and multichannel quantum-defect (MQDT) methods suitable to determine Raman couplings, dynamical Stark shifts and threshold-resolved ionization rates in heavy alkaline-earth atoms. These atomic parameters are needed to analyze the partial photoelectron spectra and the ionization dynamics of multiphoton processes in a perturbative treatment of the field-atom interaction to the lowest non-vanishing order of perturbation theory. Numerical results are presented in barium, pertaining to the experimental level scheme used by Wang, Chen and Elliott [Phys. Rev. Lett. 77, 2416 (1996)] to study coherent control through two-color interfering paths. Particular emphasis is given on the comparison of length and velocity formulations for the electric dipole operator.en
heal.journalNameEuropean Physical Journal Den
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)



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