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Nonthermal and screening effects on photoionizations in Lorentzian plasmas

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dc.contributor.authorShin, Dong-Soo-
dc.contributor.authorJung, Young-Dae-
dc.date.accessioned2021-06-23T15:39:26Z-
dc.date.available2021-06-23T15:39:26Z-
dc.date.created2021-01-21-
dc.date.issued2009-05-
dc.identifier.issn0741-3335-
dc.identifier.urihttps://scholarworks.bwise.kr/erica/handle/2021.sw.erica/41262-
dc.description.abstractThe nonthermal and plasma screening effects on the x-ray photoionization process are investigated in astrophysical Lorentzian plasmas. The screened atomic wave function and energy eigenvalue of the target ion in Lorentzian plasmas are obtained by the Rayleigh-Ritz variational method. The x-ray retardation and screened Coulomb corrections are considered to obtain a photoionization cross section as a function of the spectral index and plasma parameters. It is shown that the nonthermal character of the Lorentzian plasma suppresses the photoionization cross section. Hence, the photoionization cross sections in nonthermal plasmas are found to be always smaller than those in thermal plasmas. It is also shown that the plasma screening effect is more significant for small spectral indices. In addition, the nonthermal effect on the photoionization cross section is found to be decreased with an increase in the Debye length.-
dc.language영어-
dc.language.isoen-
dc.publisherInstitute of Physics Publishing-
dc.titleNonthermal and screening effects on photoionizations in Lorentzian plasmas-
dc.typeArticle-
dc.contributor.affiliatedAuthorShin, Dong-Soo-
dc.contributor.affiliatedAuthorJung, Young-Dae-
dc.identifier.doi10.1088/0741-3335/51/5/055007-
dc.identifier.scopusid2-s2.0-67649730004-
dc.identifier.wosid000265584300007-
dc.identifier.bibliographicCitationPlasma Physics and Controlled Fusion, v.51, no.5, pp.1 - 9-
dc.relation.isPartOfPlasma Physics and Controlled Fusion-
dc.citation.titlePlasma Physics and Controlled Fusion-
dc.citation.volume51-
dc.citation.number5-
dc.citation.startPage1-
dc.citation.endPage9-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryPhysics, Fluids & Plasmas-
dc.subject.keywordPlusAtoms-
dc.subject.keywordPlusOptical waveguides-
dc.subject.keywordPlusPhotoionization-
dc.subject.keywordPlusPlasma diagnostics-
dc.identifier.urlhttps://iopscience.iop.org/article/10.1088/0741-3335/51/5/055007-
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COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY > DEPARTMENT OF APPLIED PHYSICS > 1. Journal Articles
COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY > DEPARTMENT OF PHOTONICS AND NANOELECTRONICS > 1. Journal Articles

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COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF APPLIED PHYSICS)
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