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We consider a prototype polyene chain: donor-$\pi$(bridge)-acceptor. The distance between the donor and the acceptor is varied by increasing the number of bridged atoms and rate of electron transfer, k$_{et}$ is studied for a series of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Lakshmi , Ayan Datta , Swapan K. Pati

We present a scattering theory for the efficient transmission of an excitation across a finite network with designed disorder. We show that the presence of randomly positioned networks sites allows to significantly accelerate the excitation…

Quantum Physics · Physics 2017-11-22 Mattia Walschaers , Roberto Mulet , Andreas Buchleitner

DNAs charge transfer and self-assembly characteristics have made it a hallmark of molecular electronics for the past two decades. A fast and efficient charge transfer mechanism with programmable properties using DNA nanostructures is…

Materials Science · Physics 2023-07-05 Busra Demir , Hashem Mohammad , M. P. Anantram , Ersin Emre Oren

We illuminate the influence of transition mutations and disorder on charge localization and transfer along B-DNA sequences. Homopolymers are the best for charge transfer (cf. Refs.~ \cite{LVBMS:2018, MLTS:2019}). Hence, we consider as…

Soft Condensed Matter · Physics 2025-09-30 Pavlos Banev , Anastasia Falliera , Constantinos Simserides

We discuss the nature of charge transfer in molecular conductors upon connecting to two metallic contacts and imposing a voltage bias across them. The sign of the charge transfer (oxidation vs. reduction) depends on the position of the…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Avik W. Ghosh , Ferdows Zahid , Supriyo Datta , Robert R. Birge

We propose a highly-scalable method to compute the statistics of charge transfer in driven conductors. The framework can be applied in situations of non-zero temperature, strong coupling to terminals and in the presence of non-periodic…

The statistics of charge transport across a tunnel junction with energy-dependent scattering is investigated. A model with quadratic dispersion relation is discussed in general and, independently, in the two limiting cases of a large…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Vincent Beaud , Gian Michele Graf , Andrei V. Lebedev , Gordey B. Lesovik

We consider an interaction of charged bodies under the following simplified conditions: the distribution of charge over each body is stable; the interaction of bodies is governed by electrical forces only. Physically, these assumptions can…

Mathematical Physics · Physics 2012-07-06 A. A. Kolpakov , A. G. Kolpakov

Quantum state transfer is one of the basic tasks in quantum information processing. We here propose a theoretical approach to realize arbitrary entangled state transfer through a qubit chain, which is a class of extended…

Quantum Physics · Physics 2022-11-23 Chong Wang , Linhu Li , Jiangbin Gong , Yu-xi Liu

The effect of mispair on charge transport in a DNA of sequence (GC)(TA)_N(GC)_3 connected to platinum electrodes is studied using the tight-binding model. With parameters derived from ab initio density functional result, we calculate the…

Mesoscale and Nanoscale Physics · Physics 2012-02-10 Xue-Feng Wang , Tapash Chakraborty , J. Berashevich

In recently developed non-fullerene acceptor (NFA) based organic solar cells (OSCs), both the donor and acceptor parts can be excited by absorbing light photons. Therefore, both electron transfer and hole transfer channels could occur at…

Chemical Physics · Physics 2020-08-18 Xiaoyu Xie , Chunfeng Zhang , Haibo Ma

The dependence of electron transfer rates and yields in bridged molecular systems on the bridge length, and the dependence of the zero-bias conduction of molecular wires on wire length are discussed. Both phenomena are controlled by…

Chemical Physics · Physics 2007-05-23 Spiros Skourtis , Abraham Nitzan

The electron transfer in different solvents is investigated for systems consisting of donor, bridge and acceptor. It is assumed that vibrational relaxation is much faster than the electron transfer. Electron transfer rates and final…

Soft Condensed Matter · Physics 2016-09-28 D. Kilin , U. Kleinekathoefer , M. Schreiber

A systematic study of electron or hole transfer along DNA dimers, trimers and polymers is presented with a tight-binding approach at the base-pair level, using the relevant on-site energies of the base-pairs and the hopping parameters…

Biological Physics · Physics 2014-06-30 Constantinos Simserides

Energy transport is of central importance in understanding a wide variety of transitions of physical states in nature. Recently, the coherence and noise have been identified for their existence and key roles in energy transport processes,…

We suggest universal expressions for the rates of charge transition between molecules in organic disordered semiconductors, which differ between electrons and holes. The donor and acceptor molecules (monomers) are represented in terms of…

Disordered Systems and Neural Networks · Physics 2015-08-17 E. D. Gutliansky , Nir Tesler , Uri Peskin

The charge transfer statistics of a tunnel junction coupled to a quantum object is studied using the charge projection technique. The joint dynamics of the quantum object and the number of charges transferred through the junction is…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. Wabnig , D. V. Khomitsky , J. Rammer , A. L. Shelankov

We describe a model of electron transfer reactions affected by local binding to the donor or acceptor sites of a particle in equilibrium with the solution. The statistics of fluctuations of the donor-acceptor energy gap caused by…

Biological Physics · Physics 2007-10-16 Dmitry V. Matyushov

We consider a classical harmonic driving field as the energy charger for the quantum batteries, which consist of an ensemble of two-level atoms. The maximum stored energy and the final state are derived analytically with the optimal driving…

Quantum Physics · Physics 2019-05-15 Yu-Yu Zhang , Tian-Ran Yang , Libin Fu , Xiaoguang Wang

Electronic charge transfer at the atomic scale can reveal fundamental information about chemical bonding, but is far more challenging to directly image than the atomic structure. The charge density is dominated by the atomic nuclei, with…

Materials Science · Physics 2025-05-01 Christoph Hofer , Jacob Madsen , Toma Susi , Timothy J. Pennycook
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