Electron collision rate and multiquantum transitions in solids

Multiquantum integral kinetic equation for the longitudinal complex dielectric function is derived. Heisenberg equation of motion and fluctuation-dissipation theorem has been used to calculate multiplasmon transmission electron energy loss spectra. Strong interaction between high-energy electrons...

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Autores principales:	Cliucanov, Alexandr, Catanoi, A., Petruşcă, Alexandru, Awawdeh, Adnan
Formato:	article
Lenguaje:	EN
Publicado:	D.Ghitu Institute of Electronic Engineering and Nanotechnologies 2008
Materias:	Physics QC1-999 Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/4abb0c52957d46b9bf6c9f7186e90569
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spelling	oai:doaj.org-article:4abb0c52957d46b9bf6c9f7186e905692021-11-21T12:07:28ZElectron collision rate and multiquantum transitions in solids2537-63651810-648Xhttps://doaj.org/article/4abb0c52957d46b9bf6c9f7186e905692008-02-01T00:00:00Zhttps://mjps.nanotech.md/archive/2008/article/3755https://doaj.org/toc/1810-648Xhttps://doaj.org/toc/2537-6365Multiquantum integral kinetic equation for the longitudinal complex dielectric function is derived. Heisenberg equation of motion and fluctuation-dissipation theorem has been used to calculate multiplasmon transmission electron energy loss spectra. Strong interaction between high-energy electrons penetrating the solid state and plasma of valence electrons is taken into account. It is shown that average number of high-frequency plasmons generated in every collision process is more than one for typical values of metal parameters. It is obtained that excitation of a good few of plasmons is simultaneous event. Calculated multiplasmon structure of electron energy loss spectra coincides with experimental one. Cliucanov, AlexandrCatanoi, A.Petruşcă, AlexandruAwawdeh, AdnanD.Ghitu Institute of Electronic Engineering and NanotechnologiesarticlePhysicsQC1-999ElectronicsTK7800-8360ENMoldavian Journal of the Physical Sciences, Vol 7, Iss 1, Pp 16-21 (2008)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronics TK7800-8360
spellingShingle	Physics QC1-999 Electronics TK7800-8360 Cliucanov, Alexandr Catanoi, A. Petruşcă, Alexandru Awawdeh, Adnan Electron collision rate and multiquantum transitions in solids
description	Multiquantum integral kinetic equation for the longitudinal complex dielectric function is derived. Heisenberg equation of motion and fluctuation-dissipation theorem has been used to calculate multiplasmon transmission electron energy loss spectra. Strong interaction between high-energy electrons penetrating the solid state and plasma of valence electrons is taken into account. It is shown that average number of high-frequency plasmons generated in every collision process is more than one for typical values of metal parameters. It is obtained that excitation of a good few of plasmons is simultaneous event. Calculated multiplasmon structure of electron energy loss spectra coincides with experimental one.
format	article
author	Cliucanov, Alexandr Catanoi, A. Petruşcă, Alexandru Awawdeh, Adnan
author_facet	Cliucanov, Alexandr Catanoi, A. Petruşcă, Alexandru Awawdeh, Adnan
author_sort	Cliucanov, Alexandr
title	Electron collision rate and multiquantum transitions in solids
title_short	Electron collision rate and multiquantum transitions in solids
title_full	Electron collision rate and multiquantum transitions in solids
title_fullStr	Electron collision rate and multiquantum transitions in solids
title_full_unstemmed	Electron collision rate and multiquantum transitions in solids
title_sort	electron collision rate and multiquantum transitions in solids
publisher	D.Ghitu Institute of Electronic Engineering and Nanotechnologies
publishDate	2008
url	https://doaj.org/article/4abb0c52957d46b9bf6c9f7186e90569
work_keys_str_mv	AT cliucanovalexandr electroncollisionrateandmultiquantumtransitionsinsolids AT catanoia electroncollisionrateandmultiquantumtransitionsinsolids AT petruscaalexandru electroncollisionrateandmultiquantumtransitionsinsolids AT awawdehadnan electroncollisionrateandmultiquantumtransitionsinsolids
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Electron collision rate and multiquantum transitions in solids

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