Conductivity of Plasmas to Microwaves

Conductivity of Plasmas to Microwaves

A relation between the current-induced part of the distribution function (f/sub 1/) and the isotropic part (f/sub 0/), which was previously derived with limiting restrictions, is here shown ABSTRACTS to be valid at moderate electric fields for any form of fo, e.g., for the case where an agency other...

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Veröffentlicht in:Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, 1958-01, Vol.109 (1), p.6-9
1. Verfasser: Margenau, Henry
Format: Artikel
Sprache:eng
Schlagworte:
COLLISIONS
DIFFERENTIAL EQUATIONS
EFFICIENCY
ELECTRIC CONDUCTIVITY
ELECTRIC FIELDS
ELECTRONS
FREQUENCY
MICROWAVES
PHYSICS
PLASMA
VELOCITY
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Zusammenfassung:A relation between the current-induced part of the distribution function (f/sub 1/) and the isotropic part (f/sub 0/), which was previously derived with limiting restrictions, is here shown ABSTRACTS to be valid at moderate electric fields for any form of fo, e.g., for the case where an agency other than the passing microwaves determines it. The complex conductivity is then computed for a variety of functions f/sub 0/ ( sigma function, step function, Maxwellian distribution) and for different assumptions as to the dependence of the collision frequency on electron speed. The integrals encountered in this work are shown to be computable with good accuracy by means of a saddle-point procedure which is described. (auth)
ISSN:0031-899X
DOI:10.1103/PhysRev.109.6