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Advances Topics in Theoretical Chemical Physics
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SYSNO ASEP 0181841 Document Type M - Monograph Chapter R&D Document Type Monograph Chapter Title Modeling Quantum Resonances: II. Overview of Collision Theory Author(s) Durand, P. (FR)
Paidarová, Ivana (UFCH-W) RID, ORCIDISBN 1-4020-1564-X Source Title Advances Topics in Theoretical Chemical Physics / Maruani J. ; Lefebvre R. ; Brändas E. J.. - Dordrecht : Kluwer Academic, 2003 Pages s. 295-310 Number of pages 16 s. Language eng - English Country NL - Netherlands Keywords collision theory ; quantum dynamics Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects GA203/00/1025 GA ČR - Czech Science Foundation (CSF) GA203/01/1274 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z4040901 - UFCH-W Annotation Collision theory is briefly reviewed in the framework of the wave operator theory of quantum dynamics which emphasizes the role played by the resonances. Exact expressions of the on-shell S and T matrices are derived for an exactly solvable model which describes several resonances decaying into several channels. This model is especially relevant for investigating the physics near energy thresholds. The formalism is applied to giant resonances and to a model of laser-assisted electron-atom scattering. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2004
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