English
Related papers

Related papers: Noise-assisted quantum electron transfer in photos…

200 papers

We study the light absorption and energy transferring in a donor-acceptor system with a bionic structure. In the optimal case with uniform couplings, it is found that the quantum dynamics of this seemingly complicated system is reduced as a…

Biological Physics · Physics 2012-04-13 H. Dong , D. Z. Xu , C. P. Sun

The interaction between molecular (atomic) electron(s) and the vacuum field of a reflective cavity generates a significant interest thanks to the rapid developments in nanophotonics. Such interaction which lies within the realm of cavity…

Chemical Physics · Physics 2019-05-22 Alexander Semenov , Abraham Nitzan

We develop a mathematically rigorous theory for the quantum transfer processes in degenerate donor-acceptor dimers in contact with a thermal environment. We calculate explicitly the transfer rates and the acceptor population efficiency. The…

Quantum Physics · Physics 2020-07-15 Marco Merkli , Gennady P. Berman , Avadh Saxena

Understanding the mechanisms of efficient and robust energy transfer in organic systems provides us with new insights for the optimal design of artificial systems. In this paper, we explore the dynamics of excitation energy transfer (EET)…

Chemical Physics · Physics 2015-05-12 M. Qin , H. Z. Shen , X. L. Zhao , X. X. Yi

We introduce a classical potentiostatic feedback mechanism that attenuates the dissipation in a quantum system arising from coupling to the surrounding thermodynamic bath, preserving the inter-state interference in an electronic excitation…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Chaitanya Gupta , Aldo Peña Perez , Sean Fischer , Stephen Weinreich , Boris Murmann , Roger T. Howe

Electronic Energy Transfer (EET) between chromophores is fundamental in many natural light-harvesting complexes, serving as a critical step for solar energy funneling in photosynthetic plants and bacteria. The complicated role of the…

Chemical Physics · Physics 2024-02-05 Colin Coane , Marco Romanelli , Giulia Dall'Osto , Rosa Di Felice , Stefano Corni

Enhanced interaction between two two-level emitters (e.g., atoms) by nonreciprocal photonic media can be of benefit to broad areas, from quantum information science to biological detection. Here we provide a detailed analysis on why…

Quantum Physics · Physics 2022-09-14 S. Ali Hassani Gangaraj , Lei Ying , Francesco Monticone , Zongfu Yu

Dynamical evolution and electromagnetically induced transparency (EIT) is investigated here in a three-level $\lambda$-type atomic system including near-dipole-dipole interaction among atoms. The system is driven by the probe and coupling…

Optics · Physics 2018-09-26 Amitabh Joshi , Juan D. Serna

Excitation energy transfer (EET) and electron transfer (ET) are crucially involved in photosynthetic processes. In reality, the photosynthetic reaction center constitutes an open quantum system of EET and ET, which manifests an interplay of…

Quantum Physics · Physics 2022-08-11 Jie Fang , Zi-Hao Chen , Yu Su , Zi-Fan Zhu , Yao Wang , Rui-Xue Xu , YiJing Yan

With the increasing energy crisis and the prevalent concept of green sustainability, quantum dot materials have become a hot spot in the academic and industrial fields of chemistry. Due to unique, tailor-made photovoltaic properties based…

Mesoscale and Nanoscale Physics · Physics 2021-01-12 Zhexu Xi , Hui Zhao

The quantum network model with real variables is usually used to describe the excitation energy transfer (EET) in the Fenna-Matthews-Olson(FMO) complexes. In this paper we add the quantum phase factors to the hopping terms and find that the…

Molecular Networks · Quantitative Biology 2015-03-20 Bao-quan Ai , Shi-Liang Zhu

We propose a series of dissipation-assisted entanglement generation protocols that can be implemented on a trapped-ion quantum simulator. Our approach builds on the single-site molecular electron transfer (ET) model recently realized in the…

Quantum Physics · Physics 2025-07-10 Mingjian Zhu , Visal So , Guido Pagano , Han Pu

In this paper, we model the interaction of a quantum emitter with a finite-size dispersive dielectric object in an unbounded space within the framework of macroscopic quantum electrodynamics, using the modified Langevin noise formalism,…

Quantum Physics · Physics 2024-12-03 Giovanni Miano , Loris Maria Cangemi , Carlo Forestiere

Understanding electron transfer in organic molecules is of great interest in quantum materials for light harvesting, energy conversion, and integration of molecules into solar cells. This, however, poses the challenge of designing specific…

Chemical Physics · Physics 2019-07-24 Duvalier Madrid-Úsuga , Cristian E. Susa , John H. Reina

Electron transfer (ET) processes are of broad interest in modern chemistry. With the advancements of experimental techniques, one may modulate the ET via such as the light-matter interactions. In this work, we study the ET under a Floquet…

Chemical Physics · Physics 2022-08-12 Yu Su , Zi-Hao Chen , Haojie Zhu , Yao Wang , Lu Han , Rui-Xue Xu , YiJing Yan

The scattering phase shift of an electron transferred through a quantum dot is studied within a model Hamiltonian, accounting for both the electron--electron interaction in the dot and a finite temperature. It is shown that, unlike in an…

Condensed Matter · Physics 2009-10-28 Yuval Oreg , Yuval Gefen

Photosynthesis is a biological process that involves the highly-efficient transport of energy captured from the sun to a reaction center, where conversion into useful biochemical energy takes place. Even though one can always use a quantum…

Biological Physics · Physics 2013-06-07 R. de J. León-Montiel , Juan P. Torres

We investigate theoretically the energy exchange between electrons of two co-propagating, out-of-equilibrium edge states with opposite spin polarization in the integer quantum Hall regime. A quantum dot tunnel-coupled to one of the edge…

Mesoscale and Nanoscale Physics · Physics 2016-07-11 Anders Mathias Lunde , Simon E. Nigg

Electron injection from an adsorbed molecule to the substrate (heterogeneous electron transfer) is studied. One reaction coordinate is used to model this process. The surface phonons and/or the electron-hole pairs together with the internal…

Chemical Physics · Physics 2009-11-07 Michael Schreiber , Ivan Kondov , Ulrich Kleinekathoefer

We propose a scheme to simulate the exciton energy transfer (EET) of photosynthetic complexes in a quantum superconducting circuit system. Our system is composed of two pairs of superconducting charge qubits coupled to two separated high-Q…

Quantum Physics · Physics 2020-08-28 Ming-Jie Tao , Ming Hua , Na-Na Zhang , Wan-Ting He , Qing Ai , Fu-Guo Deng