Soviet Physics Journal

, Volume 24, Issue 1, pp 14–18 | Cite as

Investigation of the redistribution of the current in a nanosecond volume discharge after the appearance of a cathode spot

  • V. A. Kuz'min
  • V. P. Rotshtein


An investigation was made of the process of contraction of a nanosecond volume discharge in air with a homogeneous field distribution and a current density 500 A/cm2 when the gap was 0.7 cm and the pressure 76 torr. It was found that the appearance of a cathode spot in this volume discharge resulted in an effective contraction of the current into a spot and formation of a diffuse channel. A high-conductivity channel emerging from the cathode spot appeared when the current density in the diffusion channel above this spot reached (1–3)·105 A/cm2.


Field Distribution Volume Discharge Cathode Spot Homogeneous Field Diffuse Channel 
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Literature cited

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Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • V. A. Kuz'min
    • 1
  • V. P. Rotshtein
    • 1
  1. 1.Lenin Komsomol Pedagogical InstituteTomsk

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