(Figure Presented) Excitement over something small: The protonated Schiff base of retinal photo-isomerizes on an excited-state hypersurface (S 1) that connects the Franck-Condon (FC) point via a flat valley centered on a planar structure (SP) to a conical intersection (CI; see picture). Wave-packet (gray hat) quantum dynamics shows that the depletion of the S 1 population switches from mono- to biexponential when a small ridge (dotted line) between SP and CI is present. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
Olivucci, M., Lami, A., Santoro, F. (2005). A Tiny Excited-State Barrier Can Induce a Multiexponential Decay of the Retinal Chromophore: A Quantum Dynamics Investigation. ANGEWANDTE CHEMIE. INTERNATIONAL EDITION, 44(32), 5118-5121 [10.1002/anie.200501236].
A Tiny Excited-State Barrier Can Induce a Multiexponential Decay of the Retinal Chromophore: A Quantum Dynamics Investigation
Olivucci, Massimo;
2005-01-01
Abstract
(Figure Presented) Excitement over something small: The protonated Schiff base of retinal photo-isomerizes on an excited-state hypersurface (S 1) that connects the Franck-Condon (FC) point via a flat valley centered on a planar structure (SP) to a conical intersection (CI; see picture). Wave-packet (gray hat) quantum dynamics shows that the depletion of the S 1 population switches from mono- to biexponential when a small ridge (dotted line) between SP and CI is present. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
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https://hdl.handle.net/11365/34150
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