Parametric instability on an annular beam induced by a periodic beam-channel boundary

Lazaros, A; Vomvoridis, JL

dc.contributor.author	Lazaros, A	en
dc.contributor.author	Vomvoridis, JL	en
dc.date.accessioned	2014-03-01T01:13:59Z
dc.date.available	2014-03-01T01:13:59Z
dc.date.issued	1998	en
dc.identifier.issn	1070-664X	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/12828
dc.relation.uri	http://www.scopus.com/inward/record.url?eid=2-s2.0-11744361738&partnerID=40&md5=d0aff24ac6f64591a9431d54d80d9e33	en
dc.subject.classification	Physics, Fluids & Plasmas	en
dc.subject.other	WAVE	en
dc.title	Parametric instability on an annular beam induced by a periodic beam-channel boundary	en
heal.type	journalArticle	en
heal.language	English	en
heal.publicationDate	1998	en
heal.abstract	In the framework of the general Nishikawa formalism for parametric instabilities the coupling is examined of the plasma oscillations to the density modulations of an annular electron beam, modulated by an axially periodic beam-channel boundary commonly used in microwave sources. It is found that the instability is present when the distance between the beam and the channel boundary is larger than the periodic length of the boundary. It is also found that the growth rate of the instability is independent of the beam current and depends only on the beam velocity and the periodic length of the beam-channel boundary. (C) 1998 American Institute of Physics. [S1070-664X(98)00211-0].	en
heal.publisher	AMER INST PHYSICS	en
heal.journalName	Physics of Plasmas	en
dc.identifier.isi	ISI:000077031000014	en
dc.identifier.volume	5	en
dc.identifier.issue	12	en
dc.identifier.spage	4209	en
dc.identifier.epage	4213	en