Berlin 2018 – wissenschaftliches Programm
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DS: Fachverband Dünne Schichten
DS 9: Focus Session: Frontiers of Electronic-Structure Theory: Correlated Electron Materials II (joint session O/MM/DS/TT/CPP)
DS 9.5: Vortrag
Montag, 12. März 2018, 16:00–16:15, HL 001
Enhanching excitation energy and charge transfer with strongly correlated light-matter interaction — •Christian Schäfer1, Michael Ruggenthaler1, Heiko Appel1, and Angel Rubio1,2,3 — 1Max Planck Institute for the Structure and Dynamics of Matter, Hamburg, Germany — 2Center for Computational Quantum Physics (CCQ), The Flatiron Institute, 162 Fifth Avenue, New York NY 10010, USA — 3Nano-bio Spectroscopy Group and ETSF, Departamento de Fisica de Materiales, Universidad del Pais Vasco UPV/EHU, San Sebastian, Spain
Förster excitation energy and charge transfer are fundamental processes of chemical reactions and connected to interesting quantities such as correlation. Often this correlation is taken as fixed property of the system.
In the current work, we present how the coupling to cavity photons in a minimal realistic molecular system can drastically alter transfer characteristics, e.g. renders the excitation transfer to be distance independent [1,2]. The photonic interaction can imprint fermionic correlation on arbitrary distances.
The exact real-space description is suited to describe transfer and correlation in a unprejudiced ab-initio picture and allows us to extend our insights beyond common quantum-optical approximations.
[1] X. Zhong et al., Angew Chem Int Ed Engl. 56(31), 9034 (2017). [2] M. Slootsky et al., PRL 112, 076401 (2014).