Creation of discrete quasienergy resonance states in strong electromagnetic fields

Nir Ben-Tal*, Nimrod Moiseyev, Ronnie Kosloff

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The combined complex-coordinate-Floquet formalism, which has been described in detail in J. Chem. Phys. 94, 7311 (1991), is used for numerical studies of the creation of discrete long-lived quasienergy resonance states for two model Hamiltonians which describe the interaction of dissociative/ionizing systems with intense monocromatic field. Despite the fact that the two model Hamiltonians have the same energy spectrum in the absence of field, the number of resonance states which they support and the general behavior of the resonances in the presence of the field is entirely different. An analysis of the dependence of the quasienergy resonance spectrum on field intensity in terms of the dependence of the dressed potential spectrum in the field intensity was found adequate for medium intensity fields, but failed for strong fields.

Original languageEnglish
Pages (from-to)9610-9617
Number of pages8
JournalThe Journal of Chemical Physics
Issue number12
StatePublished - 1993
Externally publishedYes


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