{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362544418833698304.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/ja089ia04p02217"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2FJA089iA04p02217"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/JA089iA04p02217"}}],"dc:title":[{"@value":"Effects of energetic heavy ions on electromagnetic ion cyclotron wave generation in the plasmapause region"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>An expression for the linear electromagnetic ion cyclotron convective growth rate has been derived, considering multiple ions in the energetic anisotropic component of the plasma (which provides the free energy for the instability) as well as in the cold component of the plasma. This represents a modification of recent treatments investigating electromagnetic ion cyclotron growth rates which have considered only hydrogen ions in the energetic component. Four major effects on the growth and propagation characteristics result from inclusion of heavy ions in the energetic component. Some wave growth occurs at low frequencies below the corresponding marginally unstable wave mode for each heavy ion. Enhanced quasi‐monochronomatic peaks in the convective growth rate appear just below the O<jats:sup>+</jats:sup> and He<jats:sup>+</jats:sup> gyrofrequency and can be quite pronounced for certain plasma conditions. Stop bands, decreased group velocity and other effects normally attributed to cold heavy ions can be produced or enhanced by heavy ions in the energetic plasma component. Partial or complete suppression of wave growth at frequencies above the marginally unstable wave mode for a particular energetic heavy ion can greatly alter the growth rates that would occur in the absence of this energetic heavy ion. The expression for the linear electromagnetic ion cyclotron convective growth rate along with appropriate plasma parameters was used to investigate the nature of linear wave growth in the plasmapause region. The frequencies of peaks in the convective growth rate given by this model compare favorably with wave measurements in this region. It is conceivable that through wave‐particle interactions, electromagnetic ion cyclotron waves could supply the energy source for various plasmapause region phenomena such as the O<jats:sup>+</jats:sup> torus, the plasma cloak, and stable auroral red arcs.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380290617759016341","@type":"Researcher","foaf:name":[{"@value":"J. U. Kozyra"}]},{"@id":"https://cir.nii.ac.jp/crid/1382544418833698308","@type":"Researcher","foaf:name":[{"@value":"T. E. Cravens"}]},{"@id":"https://cir.nii.ac.jp/crid/1382544418833698304","@type":"Researcher","foaf:name":[{"@value":"A. F. Nagy"}]},{"@id":"https://cir.nii.ac.jp/crid/1382544418833698305","@type":"Researcher","foaf:name":[{"@value":"E. G. Fontheim"}]},{"@id":"https://cir.nii.ac.jp/crid/1382544418833698306","@type":"Researcher","foaf:name":[{"@value":"R. S. B. Ong"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"01480227"}],"prism:publicationName":[{"@value":"Journal of Geophysical Research: Space Physics"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"1984-04","prism:volume":"89","prism:number":"A4","prism:startingPage":"2217","prism:endingPage":"2233"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2FJA089iA04p02217"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/JA089iA04p02217"}],"createdAt":"2008-02-06","modifiedAt":"2023-09-22","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050586886868715136","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Arase In Situ Observations of High-Frequency Electromagnetic Ion Cyclotron (EMIC) Waves in Regions 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