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Related papers: Note: Vibronic coupling in light-harvesting comple…

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Reversible exchange of photons between a material and an optical cavity can lead to the formation of hybrid light--matter states where material properties such as the work function\cite{Hutchison_AM2013a}, chemical…

Photosynthetic complexes improve the transfer of excitation energy from peripheral antennas to reaction centers in several ways. In particular, a downward energy funnel can direct excitons in the right direction, while coherent excitonic…

Biological Physics · Physics 2016-03-04 Sima Baghbanzadeh , Ivan Kassal

Giant strides in ultrashort laser pulse technology have enabled real-time observation of dynamical processes in complex molecular systems. Specifically, the discovery of oscillatory transients in the two-dimensional electronic spectra of…

Chemical Physics · Physics 2021-03-08 Akihito Ishizaki , Graham R. Fleming

In recent years, action-detected ultrafast spectroscopies have gained popularity. These approaches offer some advantages over their coherently-detected counterparts, enabling spatially-resolved and operando measurements with high…

Following the observation of coherent oscillations in non-linear spectra of photosynthetic pigment protein complexes, particularly phycobilliprotein such as PC645, coherent vibronic transport has been suggested as a design principle for…

Photosynthetic organisms harvest light energy, utilizing the absorption and energy transfer properties of protein-bound chromophores. Controlling the harvesting efficiency is critical for the optimal function of the photosynthetic…

Photochromic molecular structures constitute a unique platform for constructing molecular switches, sensors and memory devices. One of their most promising applications is as light-switchable electron acceptor or donor units. Here, we…

Chemical Physics · Physics 2020-07-21 Jakub K. Sowa , Emily A. Weiss , Tamar Seideman

Using second-order perturbation theory in the light-matter interaction, we derive an analytical approximation for the vibronic populations of a diatomic system excited by ultrabroadband frequency entangled photons and evaluate the…

Quantum Physics · Physics 2025-08-12 C. D. Rodriguez-Camargo , H. O. Gestsson , C. Nation , A. R. Jones , A. Olaya-Castro

Strong light-matter coupling is a quantum process in which light and matter are coupled together, generating hybridized states. This is similar to the notion of molecular hybridization, but one of the components is light. Here, we utilized…

Applied Physics · Physics 2024-02-20 Jhuma Dutta , Pooja Bhatt , Kuljeet Kaur , Daniel E. Gómez , Jino George

We develop a detailed theoretical model of photo-induced proton-coupled electron transfer (PPCET) processes, which are at the basis of solar energy harvesting in biological systems and photovoltaic materials. Our model enables to analyze…

Chemical Physics · Physics 2021-04-13 Jiaji Zhang , Raffaele Borrelli , Yoshitaka Tanimura

The prospect of coherent dynamics and excitonic delocalization across several light-harvesting structures in photosynthetic membranes is of considerable interest, but challenging to explore experimentally. Here we demonstrate theoretically…

The energy-transfer efficiency of the natural photosynthesis system seems to be perfectly optimized during the evolution for millions of years. However, how to enhance the efficiency in the artificial light-harvesting systems is still…

Optics · Physics 2025-12-30 Jun Wang , Rui Li , Yi Li , Kai-Ya Zhang , Qing Ai

A minimal, one-parameter model of the excitonic Hamiltonian for the light harvesting complex of purple bacteria (LH2) based on ab initio calculation of the excitonic energies is proposed. The set of input parameters contains positions of…

Biomolecules · Quantitative Biology 2017-07-31 V. Al. Osipov , Luca De Vico , AndrÉ Anda , Thorsten Hansen

Strong light-matter coupling gives rise to polaritons - hybrid excitations whose mixed photonic and matter character enables control over optical, electronic and chemical properties. This Feature Article surveys the main architectures…

We investigate the role of quantum coherence in the efficiency of excitation transfer in a ring-hub arrangement of interacting two-level systems, mimicking a light-harvesting antenna connected to a reaction center as it is found in natural…

Quantum Physics · Physics 2009-11-13 Alexandra Olaya-Castro , Chiu Fan Lee , Francesca Fassioli Olsen , Neil F. Johnson

Until recently it was believed that photosynthesis, a fundamental process for life on earth, could be fully understood with semi-classical models. However, puzzling quantum phenomena have been observed in several photosynthetic…

We explore energy transfer in a generic three-level system, which is coupled to three non-equilibrium baths. Built on the concept of quantum heat engine, our three-level model describes non-equilibrium quantum processes including…

Quantum Physics · Physics 2016-02-17 Dazhi Xu , Chen Wang , Yang Zhao , Jianshu Cao

Revealing the role of quantum entanglement in charge-transport in the Photosystem II reaction center (PSII RC) is of great significance. In this work, we theoretically demonstrate that the robust quantum entanglement provides regulatory…

Chemical Physics · Physics 2025-01-14 Ling-Fang Li , Shun-Cai Zhao , Lu-Xin Xu

Vibronic coupling effects usually manifest themselves in molecules and crystals rather than in an unbound atoms. We theoretically demonstrate the existence of vibronic states in a moving two-level atom exposed to a strong electromagnetic…

Quantum Physics · Physics 2020-10-28 Andrei Ivanov , Evgeniy Perlin

Light harvesting by photosystem II (PSII) in plants is highly efficient and acclimates to rapid changes in the intensity of sunlight. However, the mechanisms of PSII light harvesting have remained experimentally inaccessible. Using a…

Biological Physics · Physics 2016-04-27 Kapil Amarnath , Doran I. G. Bennett , Anna R. Schneider , Graham R. Fleming