Multi-Component Model of the Resistive Hose Instability

Abstract

A new model of beam dynamics is presented for treating the resistive hose instability in intense, self-pinched electron or ion beams. The beam is modeled as a superposition of rigid, independently-moving components with different radii. This multi-component model exhibits the localized resonances and other analytic properties of a Vlasov treatment. The new model is used to calculate the eigenfunctions and the dispersion relation for hose instability of an axially uniform beam propagating in a medium of specified conductivity profile with any specified return current. Wave growth is found to be significantly increased by return current or by a narrow conductivity profile. The results are compared to those of earlier models.

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Document Details

Document Type
Technical Report
Publication Date
Mar 04, 1982
Accession Number
ADA111910

Entities

People

  • Han S. Uhm
  • Mártin Lampe
  • William M. Sharp

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Angular Momentum
  • Conductivity
  • Current Density
  • Differential Equations
  • Dispersion Relations
  • Dispersions
  • Distribution Functions
  • Dynamics
  • Eigenvalues
  • Eigenvectors
  • Electrons
  • Equations
  • Ion Beams
  • Military Research
  • Physics
  • Resonance

Fields of Study

  • Physics

Readers

  • Plasma Physics / Magnetohydrodynamics

Technology Areas

  • Microelectronics