Nonmodal energetics of electromagnetic drift waves

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dc.contributor.authorCamargo, Suzana J. [UNESP]
dc.contributor.authorTippett, Michael K.
dc.contributor.authorCaldas, Iberê L.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionInstituto Nacional de Pesquisas Espaciais (INPE)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionColumbia University
dc.date.accessioned2014-05-27T11:19:55Z
dc.date.available2014-05-27T11:19:55Z
dc.date.issued2000-07-01
dc.description.abstractThe linear properties of an electromagnetic drift-wave model are examined. The linear system is non-normal in that its eigenvectors are not orthogonal with respect to the energy inner product. The non-normality of the linear evolution operator can lead to enhanced finite-time growth rates compared to modal growth rates. Previous work with an electrostatic drift-wave model found that nonmodal behavior is important in the hydrodynamic limit. Here, similar behavior is seen in the hydrodynamic regime even with the addition of magnetic fluctuations. However, unlike the results for the electrostatic drift-wave model, nonmodal behavior is also important in the adiabatic regime with moderate to strong magnetic fluctuations. © 2000 American Institute of Physics.en
dc.description.affiliationUniversidade Estadual Paulista, Av. Dr. Ariberto Pereira Cunha, 333, 12500-000, Guaratinguetá, SP
dc.description.affiliationCtro. Previsao Tempo Estud. C. Inst. Nac. de Pesquisas Espaciais, Rodovia Presidente Dutra km 40, 12630-000, Cachoeira Paulista, SP
dc.description.affiliationInstituto de Física Universidade de São Paulo, CP: 66318, 05315-970, São Paulo, SP
dc.description.affiliationIntl. Res. Inst. Climate Prediction Lamont-Doherty Earth Observatory Columbia University, 61 Route 9W, Palisades, NY 10964-8000
dc.description.affiliationUnespUniversidade Estadual Paulista, Av. Dr. Ariberto Pereira Cunha, 333, 12500-000, Guaratinguetá, SP
dc.format.extent2849-2855
dc.identifierhttp://dx.doi.org/10.1063/1.874134
dc.identifier.citationPhysics of Plasmas, v. 7, n. 7, p. 2849-2855, 2000.
dc.identifier.doi10.1063/1.874134
dc.identifier.file2-s2.0-0000116074.pdf
dc.identifier.issn1070-664X
dc.identifier.scopus2-s2.0-0000116074
dc.identifier.urihttp://hdl.handle.net/11449/66187
dc.identifier.wosWOS:000087751200011
dc.language.isoeng
dc.relation.ispartofPhysics of Plasmas
dc.relation.ispartofjcr1.941
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.titleNonmodal energetics of electromagnetic drift wavesen
dc.typeArtigo
dcterms.licensehttp://publishing.aip.org/authors/web-posting-guidelines

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