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The photoconversion of CO$_2$ to hydrocarbons is a sustainable route to its transformation into value-added compounds and, thereby, crucial to mitigating the energy and climate crises. CuPt nanoparticles on TiO$_2$ surfaces have been…

Dynamical connectivity graphs, which describe dynamical transition rates between local energy minima of a system, can be displayed against the background of a disconnectivity graph which represents the energy landscape of the system. The…

Statistical Mechanics · Physics 2009-10-31 Piotr Garstecki , Trinh Xuan Hoang , Marek Cieplak

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

Advances in time resolved spectroscopy have provided new insight into the energy transmission in natural photosynthetic complexes. Novel theoretical tools and models are being developed in order to explain the experimental results. We…

Biological Physics · Physics 2017-04-04 Tobias Kramer , Mirta Rodriguez

Electron capture by {\it isolated} atoms and ions proceeds by photorecombination. In this process a species captures a free electron by emitting a photon which carries away the excess energy. It is shown here that in the presence of an {\it…

Quantum Physics · Physics 2010-03-18 Kirill Gokhberg , Lorenz S. Cederbaum

Transport phenomena in organic, self-assembled molecular J-aggregates have long attracted a great deal of attention due to its potential role in designing novel organic photovoltaic devices. A large number of theoretical and experimental…

Chemical Physics · Physics 2020-02-21 Luis Felipe Morales-Curiel , Roberto de J. León-Montiel

Light-activated drugs are a promising way to localize biological activity and minimize side effects. However, their development is complicated by the numerous photophysical and biological properties that must be simultaneously optimized. To…

Chemical Physics · Physics 2023-02-23 Simon Axelrod , Eugene Shakhnovich , Rafael Gómez-Bombarelli

Double quantum dots (DQDs) have emerged as versatile and efficient absorbing light devices owing to their more multiple adjusting parameters than the single QD's. Using the system-reservoir theory, tunneling effect on the quantum…

Mesoscale and Nanoscale Physics · Physics 2024-03-12 Sheng-Qiang Zhong , Shun-Cai Zhao , Sheng-Nan Zhu

Coherence-enhanced light harvesting has not been directly observed experimentally, despite theoretical evidence that coherence can significantly enhance light-harvesting performance. The main experimental obstacle has been the difficulty in…

Chemical Physics · Physics 2021-06-30 Stefano Tomasi , Dominic M. Rouse , Erik M. Gauger , Brendon W. Lovett , Ivan Kassal

Obtaining the physical mechanism of photoelectric transfer in quantum-dot (QD) photocells may be one strategy to boost the photovoltaic conversion efficiency. In this work, we attempted to formulate a novel theoretical approach to evaluate…

Mesoscale and Nanoscale Physics · Physics 2024-03-12 Sheng-Nan Zhu , Shun-Cai Zhao , Lin-Jie Chen

This paper investigates the dynamics of excitonic transport in photocomplex LHCII, the primary component of the photosynthetic apparatus in green plants. The dynamics exhibits a strong interplay between coherent processes mediated by the…

Quantum Physics · Physics 2011-06-13 Paolo Giorda , Silvano Garnerone , Paolo Zanardi , Seth Lloyd

Multi-component molecular machines are ubiquitous in biology. We review recent progress on describing their thermodynamic properties using autonomous bipartite Markovian dynamics. The first and second laws can be split into local versions…

Statistical Mechanics · Physics 2023-04-10 Jannik Ehrich , David A. Sivak

We investigate the quantum dynamics of energy and charge transfer in a wheel-shaped artificial photosynthetic antenna-reaction center complex.This complex consists of six light-harvesting chromophores and an electron-acceptor fullerene. To…

Biological Physics · Physics 2015-05-28 Pulak Kumar Ghosh , Anatoly Yu. Smirnov , Franco Nori

Plasmonic coupling of metallic nanoparticles and adjacent pigments can dramatically increase the brightness of the pigments due to the enhanced local electric field. Here, we demonstrate that the fluorescence brightness of a single plant…

Efficient transport and harvesting of excitation energy under low light conditions is an important process in nature and quantum technologies alike. Here we formulate a quantum optics perspective to excitation energy transport in…

Quantum Physics · Physics 2024-03-06 Raphael Holzinger , Jonah Peter , Stefan Ostermann , Helmut Ritsch , Susanne Yelin

Based on laboratory based growth of plant-like structures from inorganic materials, we present new theory for the emergence of plant structure at a range of scales dictated by levels of ionization (charge density), which can be traced…

General Physics · Physics 2017-01-24 Philip Turner , Laurent Nottale

The plant light-harvesting pigment-protein complex LHCII is the major antenna sub-unit of PSII and is generally (though not universally) accepted to play a role in photoprotective energy dissipation under high light conditions, a process…

Molecular Networks · Quantitative Biology 2023-07-27 Callum Gray , Lekshmi Kailas , Peter G. Adams , Christopher D. P. Duffy

We propose a dynamic mechanism for the reversible regulation of photosynthesis in varying light environments. We employ a three-level quantum model to take into account the correlations between charge donors and charge acceptors immediately…

Biological Physics · Physics 2024-11-13 Guang Yang , Gen Tatara

The interaction between molecules and surface plasmons in defined geometries can lead to new light mater hybrid states where light propagation is strongly influenced by molecular photon absorption. Their application range from lasing LEDs…

Photosynthesis is vital for the survival of entire ecosystems on Earth. While light is fundamental to this process, excessive exposure can be detrimental to plant cells. Chloroplasts, the photosynthetic organelles, actively move in response…

Soft Condensed Matter · Physics 2025-01-27 Nico Schramma , Eric R. Weeks , Maziyar Jalaal