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We consider the dependence of the electron transfer in photosynthetic complexes on correlation properties of random fluctuations of the protein environment. The electron subsystem is modeled by a finite network of connected electron…

Biological Physics · Physics 2015-06-23 Alexander I. Nesterov , Gennady P. Berman

We explore the nonlinear response of plasmonic materials driven by ultrashort pulses of electromagnetic radiation with temporal duration of few femtoseconds and high peak intensity. By developing the Fokker-Planck-Landau theory of electron…

Optics · Physics 2018-08-14 Andrea Marini , Alessandro Ciattoni , Claudio Conti

The spontaneous emission of radiation of metallic electrons embedded in a high-intensity enhanced surface plasmon field is considered analytically. The electrons are described by exact dressed quantum states which contain the interaction…

Optics · Physics 2010-04-20 Sandor Varro , Norbert Kroo , Gyozo Farkas , Peter Dombi

Distribution of the electron scattering rate on the Fermi surface of a quasi-one-dimensional conductor is calculated for the electron-electron umklapp interaction. We find that in certain regions on the Fermi surface the scattering rate is…

Condensed Matter · Physics 2008-02-03 Anatoley T. Zheleznyak , Victor M. Yakovenko

We investigate laser induced nonsequential multiple ionization using a simple statistical model in which an electron recollides inelastically with its parent ion. In this collision, it thermalizes with the remaining $N-1$ bound electrons…

Atomic Physics · Physics 2007-05-23 C. Figueira de Morisson Faria , X. Liu

The effect of substrate bias and surface gate voltage on the low temperature resistivity of a Si-MOSFET is studied for electron concentrations where the resistivity increases with increasing temperature. This technique offers two degrees of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. Lewalle , M. Pepper , C. J. B. Ford , E. H. Hwang , S. Das Sarma , D. J. Paul , G. Redmond

The electronic friction-Langevin dynamics (EF-LD) offers a simplified framework for describing nonadiabatic effects at metal surfaces, particularly in electrochemical and molecular electronic applications. We investigate the electronic…

Strongly Correlated Electrons · Physics 2025-09-03 Yunhao Liu , Wenjie Dou

The wave equation describing the interaction of two electrons in graphene at arbitrary value of the Fermi energy $E_F$ is derived. For the solutions of this equation, we have found the explicit forms of the density and the current which…

Mesoscale and Nanoscale Physics · Physics 2019-02-22 A. I. Milstein , I. S. Terekhov

We present a universal expression for the electronic friction as felt by a set of classical nuclear degrees of freedom (DoF's) coupled to a manifold of quantum electronic DoF's; no assumptions are made regarding the nature of the electronic…

Materials Science · Physics 2017-08-02 Wenjie Dou , Gaohan Miao , Joseph E. Subotnik

The out-of-equilibrium dynamics of electrons and phonons upon laser excitation are often described by the two-temperature model, which assumes that both subsystems are separately in thermal equilibrium. However, recent experiments show that…

Materials Science · Physics 2021-01-04 Ulrike Ritzmann , Peter M. Oppeneer , Pablo Maldonado

We study the effect of electron-electron interactions in the electronic properties of a biased graphene bilayer. This system is a semiconductor with conduction and valence bands characterized by an unusual ``mexican-hat'' dispersion. We…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 T. Stauber , N. M. R. Peres , F. Guinea , A. H. Castro Neto

Understanding the non-equilibrium behavior of stainless steel under extreme electronic excitation remains a critical challenge for laser processing and radiation science. We employ a hybrid framework integrating density-functional tight…

Materials Science · Physics 2025-10-28 Nikita Medvedev

Via the hierarchy of correlations, we study the Mott insulator phase of the Fermi-Hubbard model in the limit of strong interactions and derive a quantum Boltzmann equation describing its relaxation dynamics. In stark contrast to the weakly…

Quantum Physics · Physics 2019-11-27 Friedemann Queisser , Ralf Schützhold

The rate of photon absorption in warm dense matter (WDM) induced by free-free electron-ion collisions is derived from Sommerfeld's cross-section for non-relativistic bremsstrahlung emission, making use of detailed balance relations. Warm…

Plasma Physics · Physics 2020-01-08 Jürgen Meyer-ter-Vehn , Rafael Ramis

Observational aspects of solar flares relevant to the acceleration process of electrons and protons are reviewed and it is shown that most of these observations can be explained by the interaction with flare plasma of a power law energy…

Astrophysics · Physics 2007-05-23 Vahe Petrosian

By means of fully kinetic simulations, we investigate electron acceleration during magnetic reconnection in a nonrelativistic proton--electron plasma with conditions similar to solar corona and flares. We demonstrate that reconnection leads…

Solar and Stellar Astrophysics · Physics 2015-09-29 Xiaocan Li , Fan Guo , Hui Li , Gang Li

The problem of stochastis in multiple electron-photon head-on collisions has been considered in this paper. The kinetic equations for the distributions over the electron energy and collisions number along with the equations for these…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Kolchuzhkin , A. Potylitsyn , S. Strokov , V. Ababiy

The Luttinger liquid model, which describes interacting electrons in a single-channel quantum wire, is completely integrable in the absence of disorder and as such does not exhibit any relaxation to equilibrium. We consider relaxation…

Mesoscale and Nanoscale Physics · Physics 2008-09-09 D. A. Bagrets , I. V. Gornyi , A. D. Mirlin , D. G. Polyakov

We study the effect of electron-electron correlations on the quantum state of the light emitted from high-harmonic generation (HHG). The quantum state of the emitted light is obtained by using a fully quantum mechanical description of both…

Quantum Physics · Physics 2024-03-19 Christian Saugbjerg Lange , Thomas Hansen , Lars Bojer Madsen

In this paper we investigate the feasibility of bremsstrahlung radiation from `nonthermal' electrons as a source of hard X-rays from the intracluster medium of clusters of galaxies. With an exact treatment of the Coulomb collisions in a…

Astrophysics · Physics 2013-03-08 Vahé Petrosian , William E. East
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