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March 29, 2026Физика плазмы / Plasma Physics Reports0 citations

Effect of Thermal Spread of Electrons on Stationary States of Vacuum Diode

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AIA.M. Ignatov

Key Points

  • The aim is to investigate how the thermal spread of electrons affects the stationary states in a vacuum diode.
  • Studied stationary states of an electron beam with velocity spread in a vacuum diode.
  • Assumed a constant velocity distribution function over a specific range.
  • Analyzed the limiting current based on varying velocity spreads.
  • Identified the limiting current as a function of electron velocity spread.
  • Found that stationary states can have two types of virtual cathodes under certain parameter ranges.

Abstract

Stationary states of electron beam with arbitrary velocity spread in a vacuum diode are studied. The velocity distribution function of beam electrons is assumed to be constant over a certain velocity range. The limiting current as a function of the velocity spread was obtained. It was ascertained that, within a certain range of parameters, stationary states with two types of virtual cathodes can exist.

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Cite This Study

A.M. Ignatov (2025) studied this question.

synapsesocial.com/papers/69c8c2b8de0f0f753b39d2c1https://doi.org/10.7868/s3034637125100074
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