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Related papers: Resonant charge transfer at dielectric surfaces

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Molecular dynamics simulations are used to study the mechanism and kinetics of hydrated electron diffusion. The electron center of mass is found to exhibit Brownian-type behavior with a diffusion coefficient considerably greater than that…

Chemical Physics · Physics 2012-11-06 Kafui A. Tay , François-Xavier Coudert , Anne Boutin

Recent studies of secondary electron (SE) emission in scanning transmission electron microscopes suggest that material's properties such as electrical conductivity, connectivity, and work function can be probed with atomic scale resolution…

Materials Science · Physics 2023-11-01 Ondrej Dyck , Jawaher Almutlaq , Jacob L. Swett , Andrew R. Lupini , Dirk Englund , Stephen Jesse

We present calculations of secondary electron emission (SEE) yields in tungsten as a function of primary electron energies between 50 eV and 1 keV and incidence angles between 0 and 90{\deg}. We conduct a review of the established Monte…

Materials Science · Physics 2018-05-23 Hsing-Yin Chang , Andrew Alvarado , Jaime Marian

We compute the resonance energy transfer (RET) in a system composed of two quantum emitters near a host dielectric matrix in which metallic inclusions are inserted until the medium undergoes a dielectric-metal transition at percolation. We…

Mesoscale and Nanoscale Physics · Physics 2021-08-26 P. P. Abrantes , D. Szilard , F. S. S. Rosa , C. Farina

In the presence of a neighboring atom, electron-ion recombination can proceed resonantly via excitation of an electron in the atom, with subsequent relaxation through radiative decay. It is shown that this two-center dielectronic process…

Atomic Physics · Physics 2015-03-13 C. Müller , A. B. Voitkiv , J. R. Crespo López-Urrutia , Z. Harman

A Computationally Assisted Spectroscopic Technique to measure secondary electron emission coefficients ($\gamma$-CAST) in capacitively-coupled radio-frequency plasmas is proposed. This non-intrusive, sensitive diagnostic is based on a…

Plasma Physics · Physics 2016-06-22 M. Daksha , B. Berger , E. Schuengel , I. Korolov , A. Derzsi , M. Koepke , Z. Donko , J. Schulze

We present the angular distribution of electrons knocked out from an atom in a fast charge particle collision at small momentum transfer. It is determined not only by dipole but also by quadrupole transitions, the contribution of which can…

Atomic Physics · Physics 2015-06-03 M. Ya. Amusia , L. V. Chernysheva , E. Z. Liverts

We present a comprehensive study of the angular distribution of photons emitted during the resonant two-photon electron capture by H-like uranium ions. Focusing on the energies of incident electrons, at which the dielectronic recombination…

Atomic Physics · Physics 2024-12-02 K. N. Lyashchenko , O. Yu. Andreev , D. Yu

We analyze in this work the energy transfer process of accelerated charges, the mass fluctuations accompanying this process, and their inertial properties. Based on a previous work, we use here the dipole antenna, which is a very convenient…

Accelerator Physics · Physics 2007-05-23 Reuven Ianconescu , L . P. Horwitz

The resonance strength of the two-step process of nuclear excitation by electron capture followed by $\gamma$ decay of the nucleus can be significantly increased in highly charged ions if the resonant capture proceeds via an excited…

We study the stationary surface photocurrent in 2D electron gas near the helium surface. Electron gas is assumed to be attracted to the helium surface due to the image attracting force and an external stationary electric field. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 M. V. Entin , L. I. Magarill

Based on quantum reactive-scattering theory, we propose a method for studying the electronic nonadiabaticity in collision processes involving electron-ion rearrangements. We investigate the state-to-state transition probability for…

Chemical Physics · Physics 2014-12-16 Yang Peng , Luca M. Ghiringhelli , Heiko Appel

The strong electron-electron interaction in transition metal dichalcogenides (TMDs) gives rise to phenomena such as strong exciton and trion binding and excitonic condensation, as well as large negative exchange and correlation…

Out-of-equilibrium electron-gas systems exhibit rich physics, which we explore through three problems. First, we study photoemission from metals, traditionally analyzed in the frequency domain. Unexpectedly, the photoemission rate…

Materials Science · Physics 2025-02-19 Gustavo Diniz

Secondary electron emission (SEE) from solids plays an important role in many areas of science and technology.1 In recent years, there has been renewed interest in the experimental and theoretical studies of SEE. A recent study proposed…

Accelerator Physics · Physics 2013-09-19 A. N. Andronov , A. S. Smirnov , I. D. Kaganovich , E. A. Startsev , Y. Raitses , V. I. Demidov

By uncovering novel aspects of second harmonic generation in aluminum we show that there are unusual and remarkable consequences of resonant absorption, namely an unexpectedly critical role that bound electrons play for light-matter…

A nonperturbative electron transfer rate theory is developed based on the reduced density matrix dynamics, which can be evaluated readily for the Debye solvent model without further approximation. Not only does it recover for reaction rates…

Quantum Physics · Physics 2007-05-23 Ping Han , Rui-Xue Xu , Baiqing Li , Jian Xu , Ping Cui , Yan Mo , YiJing Yan

In two-dimensional (2D) electron systems, an off-resonant high-frequency circularly polarized electromagnetic field can induce the quasi-stationary bound electron states of repulsive scatterers. As a consequence, the resonant scattering of…

Mesoscale and Nanoscale Physics · Physics 2020-08-07 O. V. Kibis , M. V. Boev , V. M. Kovalev

We investigate theoretically the stochastic dynamics of Resonance Electronic Energy Transfer (RET), in a bi-dimensional overexcited ensemble of donor and acceptor molecules. We find that, after initial optical excitation of all the donors,…

Mesoscale and Nanoscale Physics · Physics 2023-11-27 R. Avriller , A. Marché , G. Jonusauskas

When redox active molecules are covalently tethered to the surface of the n-doped silicon, light induces their oxidation by the semiconductor. To visualize this charge separation we have followed the formation and decay of the surface…

Materials Science · Physics 2008-12-31 Andrei V. Pakoulev , Vladimir Burtman , Dmitry Zaslavsky
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