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We discuss the effective donor/acceptor coupling for a bridged electron transfer system with a site-diagonal disorder of bridge energies. The average spectral properties of the system are discussed by using the Wegner model (Anderson's type…

凝聚态物理 · 物理学 2009-10-30 Ewa Gudowska-Nowak , Gabor Papp , Juergen Brickmann

We present a novel {\em ab initio} approach for computing intramolecular charge and energy transfer rates based upon a projection operator scheme that parses out specific internal nuclear motions that accompany the electronic transition.…

材料科学 · 物理学 2016-12-22 Xummo Yang , Eric R. Bittner

A formal averaging procedure over the air-sea interface is developed for both momentum and enthalpy surface-transfer coefficients, C_D and C_K, in hurricane conditions. This leads to splitting of both the transfer coefficients across the…

大气与海洋物理 · 物理学 2019-11-05 Ephim Golbraikh , Yuri M. Stemler

Being able to rigorously quantify the uncertainties in reaction models is crucial to moving this field forward. Even though Bayesian methods are becoming increasingly popular in nuclear theory, they are yet to be implemented and applied in…

核理论 · 物理学 2018-07-18 A. E. Lovell , F. M. Nunes

The concepts of probability, statistics and stochastic theory are being successfully used in structural engineering. Markov Chain modelling is a simple stochastic process model that has found its application in both describing stochastic…

应用统计 · 统计学 2007-08-14 K. Balaji Rao

Studies of nanoscale biological transport often use a mean-field approximation that is exact only when the system is at equilibrium and there are no interactions between particles on different sites in the network. We explore the…

生物物理 · 物理学 2022-11-01 Kiriko Terai , Jonathon L. Yuly , Peng Zhang , David N. Beratan

The Marcus-Hush-Chidsey (MHC) model is well known in electro-analytical chemistry as a successful microscopic theory of outer-sphere electron transfer at metal electrodes, but it is unfamiliar and rarely used in electrochemical engineering.…

化学物理 · 物理学 2014-07-22 Yi Zeng , Raymond Smith , Peng Bai , Martin Z. Bazant

A theory is developed to describe the coupled transport of energy and charge in networks of electron donor-acceptor sites which are seated in a thermally heterogeneous environment, where the transfer kinetics are dominated by Marcus-type…

介观与纳米尺度物理 · 物理学 2019-08-02 Galen T. Craven , Abraham Nitzan

A method for study of charge-transfer interactions between solute molecules and solvent based on the comparison of the ratios of spectral shifts of different electronic transitions in solute molecules in chemically inert solvent is…

软凝聚态物质 · 物理学 2016-06-29 I. A. Ar'ev , N. I. Lebovka , E. A. Solovieva

The transverse electron scattering response function of 3He is studied in the quasi-elastic peak region for momentum transfers between 500 and 700 MeV/c. A conventional description of the process leads to results at a substantial variation…

A theory of electrical transport through molecular wires is used to estimate the electronic factor in the intramolecular electron transfer (ET) in porphyrin-nitrobenzene supermolecules, and to analyze its structure. The chosen molecules…

软凝聚态物质 · 物理学 2007-05-23 Natalya Zimbovskaya , Godfrey Gumbs

We examine, using mixed classical-quantum electron-ion dynamics, electron transfer in a donor-acceptor-like molecular junction system based on polyacetylene. We identify two qualitatively-different transfer regimes: hopping and tunnelling.…

介观与纳米尺度物理 · 物理学 2014-04-25 D. Psiachos

Electron transfer (ET) at molecule-metal or molecule-semiconductor interfaces is a fundamental reaction that underlies all electro-chemical and molecular electronic processes as well as substrate-mediated surface photochemistry. In this…

化学物理 · 物理学 2023-06-21 Yu Wang , Wenjie Dou

We have studied the electron hopping in a two-CdSe quantum dot system linked by an azobenzene-derived light-switching molecule. This system can be considered as a prototype of a QD supercrystal. Following the computational strategies given…

材料科学 · 物理学 2014-03-17 Iek-Heng Chu , Jonathan Trinastic , Lin-Wang Wang , Hai-Ping Cheng

We have studied the transfer reaction $^{14}$N($^7$Be,$^8$B)$^{13}$C at (\mathrm{E}_{\mathrm{lab}}=84) MeV, paying special attention to the effects of the coupling to the continuum in the exit channel. Using the Continuum Discretized…

核理论 · 物理学 2009-11-07 A. M. Moro , R. Crespo , F. Nunes , I. J. Thompson

In the pioneering work by R. A. Marcus, the solvation effect on electron transfer (ET) processes was investigated, giving rise to the celebrated nonadiabatic ET rate formula. In this work, on the basis of the thermodynamic solvation…

化学物理 · 物理学 2021-11-19 Yao Wang , Yu Su , Rui-Xue Xu , Xiao Zheng , YiJing Yan

A comprehensive description of molecular electron transfer reactions is essential for our understanding of fundamental phenomena in bio-energetics and molecular electronics. Experimental studies of molecular systems in condensed-phase…

Predictions for the chemical potential and the excitation gap recently obtained by our diagrammatic theory for the BCS-BEC crossover in the superfluid phase are compared with novel Quantum Monte Carlo results at zero temperature now…

超导电性 · 物理学 2007-05-23 P. Pieri , L. Pisani , G. C. Strinati

It is shown that the consideration of the density of states variation in nanoscale electrochemical systems yields modulations in the rate constant and concomitant electrical currents. The proposed models extend the utility of…

介观与纳米尺度物理 · 物理学 2016-04-22 H. Yamada , P. R. Bandaru

Charge transfer is a fundamental process that underlies a multitude of phenomena in chemistry and biology. Recent advances in observing and manipulating charge and heat transport at the nanoscale, and recently developed techniques for…

介观与纳米尺度物理 · 物理学 2016-07-26 Galen T. Craven , Abraham Nitzan