SAMOP 2023 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 23: Optomechanics I & Optovibronics
Q 23.4: Vortrag
Mittwoch, 8. März 2023, 11:45–12:00, A320
Quantum optics approach to non-adiabatic phenomena in molecules — •Michael Reitz1, Jacopo Fregoni2, Raphael Holzinger3, Agnes Vibok4, and Claudiu Genes1,5 — 1Max Planck Institute for the Science of Light, Erlangen, Germany — 2Departamento de Física Teórica de la Materia Condensada and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, Madrid, Spain — 3Institut für Theoretische Physik, University of Innsbruck, Innsbruck, Austria — 4Department of Theoretical Physics, University of Debrecen, Debrecen, Hungary — 5Physics Department, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany
We propose an open quantum system approach to non-adiabatic phenomena in molecules, especially relevant during or after photo-excitation. In particular, we provide analytical approaches that qualitatively describe processes such as nonradiative transitions, internal conversion and intersystem crossing. The main overarching aspect of this theory is the derived unidirectionality of transfer between higher energy electronic states to lower energy states mediated by non-adiabatic couplings followed by quick vibrational relaxation, i.e., the often invoked Kasha’s rule.