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Asymptotic theory of double layer and shielding of electric field at the edge of illuminated plasma

2014-02-27Journal article Open access
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dc.contributor.authorBenilov, M. S.
dc.contributor.authorThomas, D. M.
dc.date.accessioned2022-09-02T11:30:01Z
dc.date.available2022-09-02T11:30:01Z
dc.date.issued2014-02-27
dc.description.abstractThe method of matched asymptotic expansions is applied to the problem of a collisionless plasma generated by UV illumination localized in a central part of the plasma in the limiting case of small Debye length ${\lambda}_D$. A second-approximation asymptotic solution is found for the double layer positioned at the boundary of the illuminated region and for the un-illuminated plasma for the plane geometry. Numerical calculations for different values of ${\lambda}_D$ are reported and found to confirm the asymptotic results. The net integral space charge of the double layer is asymptotically small, although in the plane geometry it is just sufficient to shield the ambipolar electric field existing in the illuminated region and thus to prevent it from penetrating into the un-illuminated region. The double layer has the same mathematical nature as the intermediate transition layer separating an active plasma and a collisionless sheath, and the underlying physics is also the same. In essence, the two layers represent the same physical object: a transonic layer.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBenilov, M. S., & Thomas, D. M. (2014). Asymptotic theory of double layer and shielding of electric field at the edge of illuminated plasma. Physics of Plasmas, 21(4), 043501.pt_PT
dc.identifier.doi10.1063/1.4870013pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/4554
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAmerican Institute of Physicspt_PT
dc.relationModelling, understanding, and controlling self-organization phenomena in plasma-electrode interaction in gas discharges: from first principles to applications
dc.relationStrategic Project - UI 219 - 2011-2012
dc.relation.publisherversionhttps://aip.scitation.org/doi/full/10.1063/1.4870013pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAsymptotic theorypt_PT
dc.subjectDouble layerpt_PT
dc.subjectShielding of electric fieldpt_PT
dc.subjectIlluminated plasmapt_PT
dc.subject.pt_PT
dc.subjectFaculdade de ciências Exatas e da Engenhariapt_PT
dc.titleAsymptotic theory of double layer and shielding of electric field at the edge of illuminated plasmapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleModelling, understanding, and controlling self-organization phenomena in plasma-electrode interaction in gas discharges: from first principles to applications
oaire.awardTitleStrategic Project - UI 219 - 2011-2012
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FFIS-PLA%2F2708%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FMAT%2FUI0219%2F2011/PT
oaire.citation.issue4pt_PT
oaire.citation.startPage043501pt_PT
oaire.citation.titlePhysics of Plasmaspt_PT
oaire.citation.volume21pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBenilov
person.givenNameMikhail
person.identifier.ciencia-id0F14-A79A-97C1
person.identifier.orcid0000-0001-9059-1948
person.identifier.ridK-4443-2015
person.identifier.scopus-author-id7005138676
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication5ccf95a3-53d5-446c-857c-55d64b887175
relation.isAuthorOfPublication.latestForDiscovery5ccf95a3-53d5-446c-857c-55d64b887175
relation.isProjectOfPublicationac2557f2-e637-477a-8a14-7b1f23978256
relation.isProjectOfPublication19d096f2-b171-41fd-822f-f2fa541dabc1
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