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Full Microscopic Simulations Uncover Persistent Quantum Effects in Primary Photosynthesis
Nicola Lorenzoni, Thibaut Lacroix, James Lim +3
The presence of quantum effects in photosynthetic excitation energy transfer has been intensely debated over the past decade. Nonlinear spectroscopy cannot unambiguously distinguis…
Exact Simulation of Pigment-Protein Complexes Unveils Vibronic Renormalization of Electronic Parameters in Ultrafast Spectroscopy
F. Caycedo-Soler, A. Mattioni, J. Lim +3
The primary steps of photosynthesis rely on the generation, transport, and trapping of excitons in pigment-protein complexes (PPCs). Generically, PPCs possess highly structured vib…
A cyanine dye rotaxane porphyrin nanoring complex as a model light harvesting system
Jiratheep Pruchyathamkorn, William J. Kendrick, Andrew T. Frawley +5
A nanoring-rotaxane supramolecular assembly, with a Cy7 cyanine dye (hexamethylindotricarbocyanine) threaded along the axis of the nanoring, has been synthesized as a model for the…
Phase-dependent exciton transport and energy harvesting from thermal environments
S. Oviedo-Casado, J. Prior, A. W. Chin +3
Non-Markovian effects in the evolution of open quantum systems have recently attracted widespread interest, particularly in the context of assessing the efficiency of energy and ch…
Optical signatures of quantum delocalization over extended domains in photosynthetic membranes
Christopher A. Schroeder, Felipe Caycedo-Soler, Susana F. Huelga +1
The prospect of coherent dynamics and excitonic delocalization across several light-harvesting structures in photosynthetic membranes is of considerable interest, but challenging t…
Vibronic origin of long-lived coherence in an artificial molecular light harvester
James Lim, David Paleček, Felipe Caycedo-Soler +7
Natural and artificial light harvesting processes have recently gained new interest. Signatures of long lasting coherence in spectroscopic signals of biological systems have been r…