Breakdown in the transverse magnetic field |
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Authors: | V. Babický K. Koláček |
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Affiliation: | 1. Institute of Plasma Physics, Czechosl. Acad. Sci., Prague, Nademlynská 600, 180 69, Praha 9, Czechoslovakia
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Abstract: | The breakdown between coaxial cylindrical electrodes in the homogeneous axial magnetic field in the pressure range around the Paschen minimum is studied. On the right of this minimum the breakdown voltage is not practically influenced by a weak magnetic field. On the left of this minimum the breakdown U-B curves can be divided into two branches: the upper ones can be approximated by the magnetron cut-off parabola, the lower ones correspond qualitatively in some cases to the second solution of the equation for breakdown in the inhomogeneous electric field corrected with respect to the losses of electrons caused by recapturing on the cathode. |
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