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- Title
On the Current through a Virtual Cathode.
- Authors
Dubinov, A. E.; Efimova, I. A.
- Abstract
Two existing opinions about the current passing through a virtual cathode in a closed equipotential cavity are considered: (i) the current is always smaller than half the limiting current (as follows from the steady-state consideration) and (ii) the current oscillates in time about the mean value that is exactly equal to the limiting current (as follows from the non-steady-state self-consistent simulation by the coarse particle method). The history of this issue is described. The invalidity of the former opinion is shown. © 2003 MAIK “Nauka / Interperiodica”.
- Subjects
CATHODES; ELECTRIC currents; ELECTRON beams; PHYSICS
- Publication
Technical Physics, 2003, Vol 48, Issue 9, p1205
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/1.1611909