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Application of the stabilization method to interacting resonances |
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| Authors: | T González-Lezana G Delgado-Barrio P Villarreal FX Gadéa |
| Institution: | (1) Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ, UK, GB;(2) Instituto de Matemáticas y Física Fundamental (CSIC) Serrano 123, 28004 Madrid, Spain, ES;(3) Laboratoire de Physique Quantique, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 04, France, FR |
| Abstract: | The stabilization method is applied to the case of interacting resonances in the photo-dissociation of van der Waals clusters composed by a rare gas atom bound to a dihalogen molecule. The study of an illustrative two-dimensional model consisting in a T-shaped NeI2 molecule shows the adequacy of the method whenever the projection of the stabilization wave functions on the assumed prepared initial state is accounted for. The agreement of the fragmentation cross-sections with some previous results using the effective resolvent method and accurate close-coupling calculations is excellent. The method reveals its utility as a complementary tool since allows, through the analysis of the stabilization wave function in terms of zero-order levels, a precise characterization of the resonant states involved. Received 5 April 2002 / Received in final form 24 May 2002 Published online 19 July 2002 |
| Keywords: | PACS 33 40 +f Multiple resonances (including double and higher-order resonance processes such as double nuclear magnetic resonance electron double resonance and microwave optical double resonance) – 33 80 Gj Diffuse spectra predissociation photodissociation – 34 30 +h Intramolecular energy transfer intramolecular dynamics dynamics of van der Waals molecules |
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