Nonlinear theory of ion stopping in a one-dimensional plasma with a small collision term

The nonlinear, stationary solution of the kinetic equations for a one-dimensional plasma with a small collision term is presented; we analyze the problem of the plasma interaction with a negative ion moving with small constant velocity through a one-component (electronic) plasma. A self-consistent t...

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Bibliographic Details
Published in:Physical review. A, General physics General physics, 1989-12, Vol.40 (12), p.7133-7141
Main Authors: Avilov, VV, Meyer-ter-Vehn, J, Peter, T
Format: Article
Language:English
Subjects:
654001 - Radiation & Shielding Physics- Radiation Physics, Shielding Calculations & Experiments
ANIONS
CHARGED PARTICLES
CHARGED-PARTICLE TRANSPORT
COLLISIONS
EQUATIONS
IONS
KINETIC EQUATIONS
LIMITING VALUES
NUCLEAR PHYSICS AND RADIATION PHYSICS
ONE-DIMENSIONAL CALCULATIONS
PLASMA
RADIATION TRANSPORT
STOPPING POWER
TRANSPORT THEORY
VELOCITY
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Summary:The nonlinear, stationary solution of the kinetic equations for a one-dimensional plasma with a small collision term is presented; we analyze the problem of the plasma interaction with a negative ion moving with small constant velocity through a one-component (electronic) plasma. A self-consistent two-scale analysis is performed. The solution is compared with the results of the corresponding linearized equations that are commonly used. It is shown that the theory based on the linearized Vlasov equation without collision term cannot give an adequate description of either potential profile or stopping power, at least in the regime of small projectile velocities.
ISSN:0556-2791
DOI:10.1103/PhysRevA.40.7133