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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1800

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dc.contributor.authorTripathi, V K-
dc.identifier.citationPlasma Science, IEEE Transactions on, 21(1), 187 - 190p.en
dc.description.abstractA thin, annular plasma sheet in a waveguide slows down the phase velocity of electromagnetic modes in a plasma density window for frequencies below the electron cyclotron frequency via Cerenkov interaction. At lower densities, the plasma is not effective enough to reduce the phase velocity of the EM wave below c. At higher densities the plasma expels the radiation field, leading to enhancement of phase velocity. The lowest mode having azimuthal number l=0 is most unstable. The radial mode having amplitude maximum at r=a, viz the plasma boundary, has the largest growth rateen
dc.format.extent49184 bytes-
dc.subjectannular plasma sheeten
dc.subjectelectromagnetic modesen
dc.subjectelectron cyclotronen
dc.subjectphase velocityen
dc.titleExcitation of slow EM waves in a waveguide having a thin, annular plasma sheeten
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