About: Lower Hybrid Wavepacket Stochasticity Revisited

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Analysis is presented in support of the explanation in Ref. [1] for the observation of relativistic electrons during Lower Hybrid (LH) operation in EC pre-heated plasma at the WEGA stellarator [1,2]. LH power from the WEGA TE11 circular waveguide, 9 cm diameter, un-phased, 2.45 GHz antenna, is radiated into a B congruent to 0.5 T, (n(e)) over bar congruent to 5 x 10(17) 1/m(3) plasma at T-e congruent to 10 eV bulk temperature with an EC generated 50 keV component [1]. The fast electrons cycle around flux or drift surfaces with few collisions, sufficient for randomizing phases but insufficient for slowing fast electrons down, and thus repeatedly interact with the rf field close to the antenna mouth, gaining energy in the process.Our antenna calculations reveal a standing electric field pattern at the antenna mouth, with which we formulate the electron dynamics via a relativistic Hamiltonian.A simple approximation of the equations of motion leads to a relativistic generalization of the Analysis is presented in support of the explanation in Ref. [1] for the observation of relativistic electrons during Lower Hybrid (LH) operation in EC pre-heated plasma at the WEGA stellarator [1,2]. LH power from the WEGA TE11 circular waveguide, 9 cm diameter, un-phased, 2.45 GHz antenna, is radiated into a B congruent to 0.5 T, (n(e)) over bar congruent to 5 x 10(17) 1/m(3) plasma at T-e congruent to 10 eV bulk temperature with an EC generated 50 keV component [1]. The fast electrons cycle around flux or drift surfaces with few collisions, sufficient for randomizing phases but insufficient for slowing fast electrons down, and thus repeatedly interact with the rf field close to the antenna mouth, gaining energy in the process.Our antenna calculations reveal a standing electric field pattern at the antenna mouth, with which we formulate the electron dynamics via a relativistic Hamiltonian.A simple approximation of the equations of motion leads to a relativistic generalization of the (en)
Title	Lower Hybrid Wavepacket Stochasticity Revisited Lower Hybrid Wavepacket Stochasticity Revisited (en)
skos:prefLabel	Lower Hybrid Wavepacket Stochasticity Revisited Lower Hybrid Wavepacket Stochasticity Revisited (en)
skos:notation	RIV/61389021:_____/14:00436122!RIV15-AV0-61389021
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Pánek, Radomír Krlín, Ladislav Seidl, Jakub Preinhaelter, Josef Urban, Jakub Fuchs, Vladimír
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	26698
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/14:00436122
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	stellarator; lower hybrid; current drive; Hamiltonian; electron; stochastic (en)
http://linked.open.../riv/klicoveSlovo	stellarator stochastic Hamiltonian current drive lower hybrid electron
http://linked.open...ontrolniKodProRIV	[A65D7D607088]
http://linked.open...v/mistoKonaniAkce	Sorrento
http://linked.open...i/riv/mistoVydani	Melville
http://linked.open...i/riv/nazevZdroje	AIP Conference Proceedings
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Fuchs, Vladimír Krlín, Ladislav Preinhaelter, Josef Pánek, Radomír Seidl, Jakub Urban, Jakub Laqua, H. P.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000339626400088
http://linked.open.../riv/zahajeniAkce	2013-06-25 (xsd:date)
issn	0094-243X
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.4864583
http://purl.org/ne...btex#hasPublisher	American Institute of Physics
https://schema.org/isbn	978-0-7354-1210-1

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