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A new algorithm for Monte Carlo calculation of the double exchange model is studied. The algorithm is commonly applicable to wide classes of strongly correlated electron systems which involve itinerant electrons coupled with…

Strongly Correlated Electrons · Physics 2009-11-07 Nobuo Furukawa , Yukitoshi Motome , Hisaho Nakata

A Monte Carlo scheme is described where the secondary electron generation has been incorporated. The initial position of a secondary electron due to Fermi sea excitation is assumed to be where the inelastic collision took place, while the…

Materials Science · Physics 2015-05-13 Maurizio Dapor

Electron transport within nanostructures can be important to varied engineering applications, such as thermoelectrics and nanoelectronics. In theoretical studies, electron Monte Carlo simulations are widely used as an alternative approach…

Applied Physics · Physics 2019-02-20 Qing Hao , Yue Xiao

Laser-based ion acceleration is driven by electrical fields emerging when target electrons absorb laser energy and consecutively leave the target material. A direct correlation between these electrons and the accelerated ions is thus to be…

The magnetic properties of a variety of materials with promise for technological applications have been described by models in which fermions are coupled to local moment spins. Monte Carlo studies of such models usually ignore…

Strongly Correlated Electrons · Physics 2011-05-04 Nuri A. Yazdani , Malcolm P. Kennett

We present the largest 3D Particle-in-Cell shearing-box simulations of turbulence driven by the magnetorotational instability, for the first time employing the realistic proton-to-electron mass ratio. We investigate the energy partition…

High Energy Astrophysical Phenomena · Physics 2025-03-24 Evgeny A. Gorbunov , Fabio Bacchini , Vladimir Zhdankin , Gregory R. Werner , Mitchell C. Begelman , Dmitri A. Uzdensky

The electromagnetic (e.m.) current conservation and renormalizability of QCD are used to calculate the amplitude of energetic hadron(photon) diffraction into several jets with large relative transverse momenta off the nucleon(nucleus)…

High Energy Physics - Phenomenology · Physics 2009-11-07 L. Frankfurt , M. Strikman

Extremely high energy neutrinos propagating in the atmosphere or in the Earth can originate horizontal or upgoing air-showers, respectively. We calculate the acceptances (event rate/flux) for detecting both types of events by fluorescence…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sergio Palomares-Ruiz

In high-intensity (> 10^21W/cm^2) laser-matter interactions gamma-ray photon emission by the electrons can strongly affect the electron's dynamics and copious numbers of electron-positron pairs can be produced by the emitted photons. We…

Plasma Physics · Physics 2016-11-25 C. P. Ridgers , J. G. Kirk , R. Duclous , T. Blackburn , C. S. Brady , K. Bennett , T. D. Arber , A. R. Bell

We report variational and diffusion Quantum Monte Carlo ground-state energies of the three-dimensional electron gas using a model periodic Coulomb interaction and backflow corrections for N=54, 102, 178, and 226 electrons. We remove…

Materials Science · Physics 2010-01-28 I. G. Gurtubay , R. Gaudoin , J. M. Pitarke

In the complex case of wind energy conversion systems (WECS) analysis and synthesis, the mathematical models of each component element are required. In the paper are presented some contributions to preset values establishing strategies and…

Systems and Control · Computer Science 2018-04-19 Octavian Prostean , Iosif Szeidert , Nicolae Budisan , Gabriela Prostean , Cristian Vasar

A detailed simulation of vertical showers in atmosphere produced by primary gammas and protons, in the energy range 1-100 TeV, has been performed by means of the FLUKA Monte Carlo code, with the aim of studying the time structure of the…

Astrophysics · Physics 2009-10-30 G. Battistoni , M. Carboni , A. Ferrari , V. Patera

The atmospheric neutrino flux calculated with FLUKA was originally limited to 100-200 GeV for statistical reasons. In order to make it available for the analysis of high energy events, like upward through-going muons detected by neutrino…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Battistoni , A. Ferrari , T. Montaruli , P. R. Sala

Research into the efficiency of photosynthetic light harvesting has focused on two factors: (1) entanglement of chromophores, and (2) environmental noise. While chromophores are conjugated $\pi$-bonding molecules with strongly correlated…

Biological Physics · Physics 2013-03-29 David A. Mazziotti

The study of high energy cosmic rays requires detailed Monte Carlo simulations of both, extensive air showers and the detectors involved in their detection. In particular, the energy calibration of several experiments is obtained from…

Astrophysics · Physics 2009-02-18 A. D. Supanitsky , G. Medina-Tanco

In this series of three papers we present results from a combined experimental and theoretical effort to quantitatively describe capacitively coupled radio-frequency discharges in oxygen. The particle-in-cell Monte-Carlo model on which the…

Plasma Physics · Physics 2009-11-13 F. X. Bronold , K. Matyash , D. Tskhakaya , R. Schneider , H. Fehske

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

Systems containing few Fermions (e.g., electrons) are of great current interest. Fluorescence occurs when electrons drop from one level to another without changing spin. Only electron gases in a state of equilibrium are considered. When the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. Arnaud , L. Chusseau , F. Philippe

In order to optimise the design of space instruments making use of detection materials with low atomic numbers, an understanding of the atmospheric neutron environment and its dependencies on time and position is needed. To produce a simple…

Instrumentation and Methods for Astrophysics · Physics 2017-03-31 Merlin Kole , Mark Pearce , Maria Muñoz Salinas

Real photon-photon scattering is a long-predicted phenomenon that is being searched for in experiment in the form of a birefringent vacuum at optical and X-ray frequencies. We present results of calculations and numerical simulations for a…

High Energy Physics - Phenomenology · Physics 2016-12-07 B. King , N. Elkina