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Related papers: Quantum dynamics in light-harvesting complexes: Be…

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The time-evolution of multiparty quantum correlations as quantified by monogamy scores and bipartition collections of quantum correlations is investigated for light-harvesting complexes modeled by the fully connected and the…

Quantum Physics · Physics 2015-02-11 Titas Chanda , Utkarsh Mishra , Aditi Sen De , Ujjwal Sen

We provide physically intuitive mechanisms for the effect of noise on excitation energy transfer (EET) in networks. Using these mechanisms of dephasing-assisted transport (DAT) in a hybrid basis of both excitons and sites, we develop a…

Quantum Physics · Physics 2015-05-14 Alex W. Chin , Animesh Datta , Filippo Caruso , Susana F. Huelga , Martin B. Plenio

Obtaining the exciton dynamics of large photosynthetic complexes by using mixed quantum mechanics/molecular mechanics (QM/MM) is computationally demanding. We propose a machine learning technique, multi-layer perceptrons, as a tool to…

Chemical Physics · Physics 2016-06-01 Florian Häse , Stéphanie Valleau , Edward Pyzer-Knapp , Alán Aspuru-Guzik

The role of quantum coherence and the environment in the dynamics of excitation energy transfer is not fully understood. In this work, we introduce the concept of dynamical contributions of various physical processes to the energy transfer…

Quantum Physics · Physics 2009-07-18 Patrick Rebentrost , Masoud Mohseni , Alán Aspuru-Guzik

Quantum computers have the potential to simulate chemical systems beyond the capability of classical computers. Recent developments in hybrid quantum-classical approaches enable the determinations of the ground or low energy states of…

Quantum Physics · Physics 2021-12-06 Chee-Kong Lee , Jonathan Wei Zhong Lau , Liang Shi , Leong Chuan Kwek

In this review, we present and discussed the main trends in photovoltaics with emphasize on the conversion efficiency limits. The theoretical limits of various photovoltaics device concepts are presented and analyzed using a flexible…

Materials Science · Physics 2014-02-11 Fahhad H Alharbi , Sabre Kais

There are successful applications of the holographic AdS/CFT correspondence to high energy and condensed matter physics. We apply the holographic approach to photosynthesis that is an important example of nontrivial quantum phenomena…

High Energy Physics - Theory · Physics 2016-04-12 Irina Aref'eva , Igor Volovich

We present a theory that efficiently describes the quantum dynamics of an electronic excitation that is coupled to a continuous, highly structured phonon environment. Based on a stochastic approach to non-Markovian open quantum systems, we…

Quantum Physics · Physics 2009-11-05 Jan Roden , Alexander Eisfeld , Wolfgang Wolff , Walter T. Strunz

We extract the site energies and spectral densities of the Fenna-Matthews-Olson (FMO) pigment protein complex of green sulphur bacteria from simulations of molecular dynamics combined with energy gap calculations. Comparing four different…

Biological Physics · Physics 2015-07-01 Xiaoqing Wang , Gerhard Ritschel , Sebastian Wüster , Alexander Eisfeld

In the primary step of light-harvesting, the energy of a photon is captured in antenna chlorophyll as an exciton. Its efficient conversion to stored chemical potential occurs in the special pair reaction center, which has to be reached by…

We show that the efficient excitation energy transfer in the Fenna-Matthews-Olson molecular aggregate under realistic physiological conditions is fueled by underdamped vibrations of the embedding proteins. For this, we present numerically…

Chemical Physics · Physics 2013-11-26 P. Nalbach , C. A. Mujica-Martinez , M. Thorwart

We propose a driven optical cavity quantum electrodynamics (QED) set up aimed at directly probing energy transport dynamics in photosynthetic biomolecules. We show that detailed information concerning energy transfer paths and…

A generalized master equation (GME) governing quantum evolution of modular exciton density (MED) is derived for large scale light harvesting systems composed of weakly interacting modules of multiple chromophores. The GME-MED offers a…

Quantum Physics · Physics 2013-11-12 Seogjoo Jang , Stephan Hoyer , Graham Fleming , K. Birgitta Whaley

In this Article we perform a systematic study of the global entanglement and exciton coherence length dynamics coherence in natural light-harvesting system Fenna-Matthews-Olson (FMO) complex across various parameters of a dissipative…

Quantum Physics · Physics 2024-06-18 Luis E. Herrera Rodríguez , Alexei A. Kananenka

The molecular photo cell, i.e., a single molecule donor-acceptor complex, beside being technologically important, is a paradigmatic example of a many-body system operating in strong non-equilibrium. The quantum transport and the…

Mesoscale and Nanoscale Physics · Physics 2020-07-06 Subhajit Sarkar , Yonatan Dubi

Fenna-Matthews-Olson (FMO) bacteriochlorophylls (BChls) are molecules responsible of the high efficiency energy transfer in the photosynthetic process of green sulfur bacteria, controversially associated to quantum phenomena of long lived…

Chemical Physics · Physics 2020-08-19 Bruno González-Soria , Francisco Delgado , Alan Anaya-Morales

Computationally tractable and reliable, albeit approximate, methods for studying exciton transport in molecular aggregates immersed in structured bosonic environments have been actively developed. Going beyond the lowest-order (Born)…

Chemical Physics · Physics 2024-11-28 Veljko Janković , Tomáš Mančal

Even photosynthesis -- the most basic natural phenomenon underlying Life on Earth -- involves the non-trivial processing of excitations at the pico- and femtosecond scales during light-harvesting. The desire to understand such natural…

Quantum Physics · Physics 2017-06-29 Pedro D. Manrique , Ferney Rodriguez , Luis Quiroga , Neil F. Johnson

We theoretically investigate polarization-filtered two-photon correlations for the light emitted by a multichromophoric system undergoing excitation transport under realistic exciton-phonon interactions, and subject to continuous incoherent…

Chemical Physics · Physics 2024-04-29 Charlie Nation , Hallmann Oskar Gestsson , Alexandra Olaya-Castro

We develop and present an improvement to the conventional technique for solving the Hierarchical Equations of Motion which reduces the memory cost by more than 75% while retaining the same convergence rate and accuracy. This allows for a…

Chemical Physics · Physics 2014-11-18 David M. Wilkins , Nikesh S. Dattani
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