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In order to interpret and predict the behavior and properties of fusion plasma, accurate cross sections for electronic processes in collisions between plasma impurities and atomic hydrogen are required. In this work, we investigate the…

Atomic Physics · Physics 2024-12-30 C. C. Jia , Y. Y. Qi , J. J. Niu , Y. Wu J. G. Wang , A. Dubois , N. Sisourat , J. W. Gao

Electron energy loss spectroscopy (EELS) and Cathodoluminescence (CL) play a pivotal role in many of the cutting edge experiments in plasmonics. EELS and CL experiments are usually supported by numerical simulations, which, whilst accurate,…

Mesoscale and Nanoscale Physics · Physics 2016-07-18 Matthias Kraft , Yu Luo , J. B. Pendry

Devices built using circuit quantum electrodynamics architectures are one of the most popular approaches currently being pursued to develop quantum information processing hardware. Although significant progress has been made over the…

Quantum Physics · Physics 2021-04-15 Thomas E. Roth , Weng C. Chew

Solid/liquid interfaces control various processes of technological relevance in the process industry and many fundamental physicochemical phenomena. This work examines the link between the atomistic description of mass transfer at…

Soft Condensed Matter · Physics 2021-09-07 Aaron R Finney , Matteo Salvalaglio

We propose a model intended to qualitatively capture the electron-electron interaction physics of two-dimensional electron gases formed near transition-metal oxide heterojunctions containing $t_{2g}$ electrons with a density much smaller…

Strongly Correlated Electrons · Physics 2016-01-27 John R. Tolsma , Alessandro Principi , Reza Asgari , Marco Polini , Allan H. MacDonald

Partial atomic charges are a useful and intuitive concept for understanding molecular properties and chemical reaction mechanisms, showing how changes in molecular geometry can affect the flow of electronic charge within a molecule.…

Chemical Physics · Physics 2022-01-14 Ryan J. MacDonell , Serguei Patchkovskii , Michael S. Schuurman

The microscopic theory of chemical reactions is based on transition state theory, where atoms or ions transfer classically over an energy barrier, as electrons maintain their ground state. Electron transfer is fundamentally different and…

The systematic shifts of the transition frequencies in the molecular hydrogen ions are of relevance to ultra-high-resolution radio-frequency, microwave and optical spectroscopy of these systems, performed in ion traps. We develop the…

Atomic Physics · Physics 2015-06-16 Dimitar Bakalov , Stephan Schiller

Ultrafast optical excitation of metals induces a non-equilibrium energy distribution in the electronic system, with a characteristic step-structure determined by Pauli blocking. On a femtosecond timescale, electron-electron scattering…

Efficient manipulation of energy at the nanoscale is crucial for advancements in modern computing, energy harvesting, and thermal management. Specifically, controlling quasiparticle currents is critical to these ongoing technological…

Mesoscale and Nanoscale Physics · Physics 2025-01-31 Hocine Boumrar , Hand Zenia , Mahdi Hamidi

A novel mesoscopic electron spectrometer allows for the probing of relaxation processes in quantum Hall edge channels. The device is composed of an emitter quantum dot that injects energy-resolved electrons into the channel closest to the…

Mesoscale and Nanoscale Physics · Physics 2019-11-13 Stefan G. Fischer , Jinhong Park , Yigal Meir , Yuval Gefen

Electron transfer (ET) across molecular chains including an impurity is studied based on a recently improved real-time path integral Monte Carlo (PIMC) approach [J. Chem. Phys. {\bf 121}, 12696 (2004)]. The reduced electronic dynamics is…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Lothar Muehlbacher , Joachim Ankerhold

Hybrid interfaces formed by inorganic semiconductors and organic molecules are intriguing materials for opto-electronics. Interfacial charge transfer is primarily responsible for their peculiar electronic structure and optical response.…

Materials Science · Physics 2020-04-15 Matheus Jacobs , Jannis Krumland , Ana M. Valencia , Haiyuan Wang , Mariana Rossi , Caterina Cocchi

Carrying digital information in traditional copper wires is becoming a major issue in electronic circuits. Optical connections such as fiber optics offers unprecedented transfer capacity, but the mismatch between the optical wavelength and…

Other Condensed Matter · Physics 2007-05-23 Jean-Baptiste Masson , Guilhem Gallot

A procedure based on the semiclassical approximation for high energy levels is developed to yield solutions to the classical equation of charge motion and to the Bargmann-Michel-Telegdi spin equation. To this end, exact solutions to the…

Mathematical Physics · Physics 2017-08-10 V. A. Bordovitsyn , A. N. Myagkii

The rapid progress of electron spin resonance scanning tunneling microscopy experiments has enabled the manipulation of individual adsorbate spin states physisorbed on ultrathin oxide layers supported on metal substrates. Electron resonance…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 Kevin Lizárraga , Saba Taherpour , Cesar E. P. Villegas , Christoph Wolf

Photoemission experiments involve the motion of an electron near a conducting surface. This necessarily generates heat by ohmic losses from eddy currents. This inelastic scattering of the electrons will result in a downward shift in…

Strongly Correlated Electrons · Physics 2007-05-23 Robert Haslinger , Robert Joynt

Emulation of energy transfer processes in natural systems on quantum platforms can further our understanding of complex dynamics in nature. One notable example is the demonstration of vibrationally assisted energy transfer (VAET) on a…

Quantum Physics · Physics 2024-05-14 Zeng-Zhao Li , K. Birgitta Whaley

Currently, molecular tunnel junctions are recognized as important active elements of various nanodevices. This gives a strong motivation to study physical mechanisms controlling electron transport through molecules. Electron motion through…

Mesoscale and Nanoscale Physics · Physics 2013-01-24 Natalya A. Zimbovskaya

Electron transfer organic reaction rates are considered employing the classic physical picture of Marcus wherein the heats of reaction are deposited as the energy of low frequency mechanical oscillations of reconfigured molecular positions.…

Chemical Physics · Physics 2015-08-05 A. Widom , J. Swain , Y. N. Srivastava