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Comment on "A posteriori localization of many-body excited states through simultaneous diagonalization".
J Comput Chem
October 2023
State Key Laboratory of Physical Chemistry of Solid Surfaces, iChEM, Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, People's Republic of China.
We comment on an excited-state localization method recently proposed by Blanc et al. (J. Comput.
View Article and Find Full Text PDFOptimal Energy Transfer in Light-Harvesting Systems.
Molecules
August 2015
Division of Materials Science, Nanyang Technological University, 50 Nanyang Avenue,Singapore 639798, Singapore.
Photosynthesis is one of the most essential biological processes in which specialized pigment-protein complexes absorb solar photons, and with a remarkably high efficiency, guide the photo-induced excitation energy toward the reaction center to subsequently trigger its conversion to chemical energy. In this work, we review the principles of optimal energy transfer in various natural and artificial light harvesting systems. We begin by presenting the guiding principles for optimizing the energy transfer efficiency in systems connected to dissipative environments, with particular attention paid to the potential role of quantum coherence in light harvesting systems.
View Article and Find Full Text PDFComputational methodologies and physical insights into electronic energy transfer in photosynthetic light-harvesting complexes.
Phys Chem Chem Phys
August 2012
Instituto de Física, Universidad de Antioquia, AA 1226, Medellín, Colombia.
We examine computational techniques and methodologies currently in use to explore electronic excitation energy transfer in the context of light-harvesting complexes in photosynthetic antenna systems, and comment on some new insights into the underlying physics. Advantages and pitfalls of these methodologies are discussed, as are some physical insights into the photosynthetic dynamics. By combining results from molecular modelling of the complexes (structural description) with an effective non-equilibrium statistical description (time evolution), we identify some general features, regardless of the particular distribution in the protein scaffold, that are central to light-harvesting dynamics and, that could ultimately be related to the high efficiency of the overall process.
View Article and Find Full Text PDFWe comment on a previous article by Zhang and Newhauser (2009 Phys. Med. Biol.
View Article and Find Full Text PDFBeyond the Förster theory of excitation energy transfer: importance of higher-order processes in supramolecular antenna systems.
Dalton Trans
December 2009
Institut für Physik, Humboldt-Universität zu Berlin, Newtonstrasse 15, D-12489, Berlin, Germany.
Electronic excitation energy transfer in molecular systems is connected with the de-excitation of one molecule and the excitation of the other. Mostly, it can be understood in terms of Förster (or fluorescence) resonance energy transfer. An increasing interest in the optimization of artificial light harvesting systems, however, requires a more detailed study going beyond the standard Förster scheme.
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