TITLE

R-matrix Floquet theory of molecular multiphoton processes

AUTHOR(S)
Colgan, J.; Glass, D. H.; Higgins, K.; Burke, P. G.
PUB. DATE
July 2000
SOURCE
AIP Conference Proceedings;2000, Vol. 525 Issue 1, p427
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A unified R-matrix Floquet theory of multiphoton processes is introduced which can be used to analyze both multiphoton ionization of diatomic molecules and laser-assisted electron diatomic molecules scattering. The laser field is assumed to be monochromatic, monomode, spacially homogeneous and linearly polarized, where the molecular axis can be oriented in an arbitrary direction relative to the polarization direction. Multi-center electron-molecule scattering programs have been modified in a straightforward way to obtain the solution in the internal region and single-center atomic multiphoton propagator programs have been extended to solve the problem in the external region. The theory is illustrated by obtaining multiphoton ionization rates for a model H[sub 2] problem which enables the theory and computer programs to be tested by comparing the results against a completely independent atomic R-matrix Floquet program. The program is then used to obtain one- and two-photon ionization rates for H[sub 2] using an accurate wave function for H[sub 2]. © 2000 American Institute of Physics.
ACCESSION #
6028342

 

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