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Nonlinear Multi‐Photon Excitation and Dissociation in Intense Laser Fields: Recent Developments in Floquet Theory and Quasi‐Energy Methods
Author(s) -
Chu ShihI,
Ho TakSan
Publication year - 1984
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.198400041
Subject(s) - floquet theory , chemistry , excitation , atomic physics , semiclassical physics , dissociation (chemistry) , triatomic molecule , laser , nonlinear system , quantum mechanics , physics , quantum , molecule
A short account of several recent developments in semiclassical Floquet theory and quasi‐energy (QE) methods for nonperturbative treatments of intense field multiphoton excitation (MPE) and dissociation (MPD) processes is given. Topics discussed include (a) non‐Hermitian Floquet theory and complex QE method for MPD, (b) MPE quantum dynamics in intense laser and static electric fields, (c) nonadiabatic approach for resonant infrared (IR) multiphoton absorption spectroscopy, (d) IR MPE/MPD of triatomic molecules — most probable path approach, and (e) many‐mode Floquet theory. Also presented are new methods and results for nonlinear MPE of finite level systems in linearly and circularly polarized bichromatic fields.