Results 81 to 90 of about 5,911,957 (411)

Simulation of electronic structure Hamiltonians using quantum computers [PDF]

open access: yes, 2010
Over the last century, a large number of physical and mathematical developments paired with rapidly advancing technology have allowed the field of quantum chemistry to advance dramatically.
J. Whitfield   +2 more
semanticscholar   +1 more source

Implementation of an environmental management system in a company for computers and electronic devices repairing [PDF]

open access: yesJournal of Research and Innovation for Sustainable Society, 2019
The paper presents the conditions, objectives and stages necessary to implement an ISO 14001Environmental Management System in a company for computers and electronic devices repairing.
I Radulescu1   +2 more
doaj   +1 more source

Target-Oriented Investigation of Online Abusive Attacks: A Dataset and Analysis

open access: yesIEEE Access, 2023
Despite a body of research revolving around online abusive language, aiming at different objectives such as detection, diffusion prediction, and mitigation, existing research has seldom looked at factors motivating this behaviour.
Raneem Alharthi   +3 more
doaj   +1 more source

Charge instabilities and electron-phonon interaction in the Hubbard-Holstein model [PDF]

open access: yes, 2008
We consider the Hubbard-Holstein model in the adiabatic limit to investigate the effects of electron-electron interactions on the electron-phonon coupling. To this aim we compute at any momentum and filling the static charge susceptibility of the Hubbard model within the Gutzwiller approximation and we find that electron-electron correlations ...
arxiv   +1 more source

Magnetic Order in Kondo-Lattice Systems due to Electron-Electron Interactions [PDF]

open access: yesAIP Conf. Proc., Vol. 1074, p. 62 (2008), 2008
The hyperfine interaction between the electron spin and the nuclear spins is one of the main sources of decoherence for spin qubits when the nuclear spins are disordered. An ordering of the latter largely suppresses this source of decoherence. Here we show that such an ordering can occur through a thermodynamic phase transition in two-dimensional (2D ...
arxiv   +1 more source

Long-lived oscillatory incoherent electron dynamics in molecules: trans-polyacetylene oligomers [PDF]

open access: yesI. Franco, A. Rubio and P. Brumer, New J. Phys. 15, 043004 (2013), 2013
We identify an intriguing feature of the electron-vibrational dynamics of molecular systems via a computational examination of \emph{trans}-polyacetylene oligomers. Here, via the vibronic interactions, the decay of an electron in the conduction band resonantly excites an electron in the valence band, and vice versa, leading to oscillatory exchange of ...
arxiv   +1 more source

Computational electronics and electromagnetics [PDF]

open access: yes, 1997
The Computational Electronics and Electromagnetics thrust area at Lawrence Livermore National Laboratory serves as the focal point for engineering RD engineering analysis and design of high-power components, photonics, and optoelectronics circuit design; EMI susceptibility analysis; and antenna synthesis.
openaire   +4 more sources

Controlled Electromagnetic Field Based Safety System for Handheld Circular Saw

open access: yesSensors, 2022
This paper presents the design of a safety system based on controlled electromagnetic field (CEMF) sensing technology to prevent accidents caused by power tools, especially related to handheld circular saws.
Pedro Teixidó   +5 more
doaj   +1 more source

Non-perturbative theory of the electron-phonon coupling and its first-principles implementation [PDF]

open access: yesarXiv, 2023
The harmonic approximation of ionic fluctuations and the linear coupling between phonons and electrons provide the basic approach to compute, from first principles, the contribution that the nuclei dynamics and its interaction with electrons have on materials' properties.
arxiv  

Waiting time distribution for electron transport in a molecular junction with electron-vibration interaction [PDF]

open access: yesThe Journal of Chemical Physics 146, 074102 (2017), 2016
On the elementary level, electronic current consists of individual electron tunnelling events that are separated by random time intervals. The waiting time distribution is a probability to observe the electron transfer in the detector electrode at time $t+\tau$ given that an electron was detected in the same electrode at earlier time $t$.
arxiv   +1 more source

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