Use of a recursive expansion of the Green operator with absorbing boundary conditions to study the effect of non-adiabatic coupling on photodissociation cross sections:: application to the CO molecule

被引:10
作者
Andric, L
Grozdanov, TP
McCarroll, R
Tchang-Brillet, WÜL
机构
[1] Univ Paris 06, ESA 7066 CNRS, Lab Dynam Ions Atomes & Mol, F-75252 Paris 05, France
[2] Inst Phys, YU-11001 Belgrade, Yugoslavia
[3] Observ Paris, URA 812 CNRS, Dept Atomes & Mol Astrophys, F-92195 Meudon, France
关键词
D O I
10.1088/0953-4075/32/19/312
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The recently proposed iterative method (Grozdanov T P and McCarroll R 1996 J. Phys. B: At. Moi. Opt. Phys. 29 3373) for calculating the total photodissociation cross sections, based on a recursive expansion of the Green operator with absorbing boundary conditions, is applied to the case where the final electronic states are coupled leading to predissociation. The process considered is the transition of the CO molecule from the ground X-1 Sigma(+) state into Rydberg-valence predissociating B (1)Sigma(+)-D-/ (l) Sigma(+) states. Agreement with close coupling calculations is found.
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页码:4729 / 4740
页数:12
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