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Propagation in a warm collisional magnetoplasma enclosed in a conducting cylinder

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2 Author(s)
J. Basu ; Saha Inst. of Nucl. Phys., Calcutta, India ; S. Biswas

A study is presented of the propagation of electron plasma waves in a warm collisional plasma filling a conducting cylinder and magnetized strongly in the axial direction, the plasma parameters being taken to be such that the electron-ion collision is the dominant damping process. The attenuation and phase constants are derived in suitably normalized form by using the electrodynamic method. The dispersion and attenuation characteristics for propagation in the lowest order mode in a hydrogen plasma are obtained for various values of the normalized plasma radius αωpe/c, the electron temperature and electron density being held constant, and the characteristics are compared with those given by the usual quasi-static approximation, which is found to be valid only if αωpe /c≲1, where α is the plasma radius, ω pe is the plasma frequency, and c is the velocity of light in free space. The effect of the plasma frequency on the characteristics is investigated

Published in:

IEEE Transactions on Plasma Science  (Volume:19 ,  Issue: 4 )