## Proceedings of the International School of Physics "Enrico Fermi.", Volume 25N. Zanichelli, 1953 - Nuclear physics |

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Page 54

These three energy principles correspond to three different sets of basic

equations describing the plasma, each of which applies in various

situations. We shall designate these three different approaches by the fluid theory

, the ...

These three energy principles correspond to three different sets of basic

equations describing the plasma, each of which applies in various

**limiting**situations. We shall designate these three different approaches by the fluid theory

, the ...

Page 160

The analysis for the plane current layer is particularly significant in the high-

conductivity

regions: 1) a narrow central region, where finite conductivity permits relative

motions of field ...

The analysis for the plane current layer is particularly significant in the high-

conductivity

**limit**, since the problem then separates into the analysis of tworegions: 1) a narrow central region, where finite conductivity permits relative

motions of field ...

Page 179

in the

The case treated in ref. [4] corresponds to the opposite

comparison, we may make use of the low-conductivity result, derived in Appendix

B ...

in the

**limit**of large N, (which now corresponds to the**limit**of high conductivity).The case treated in ref. [4] corresponds to the opposite

**limit**, N → 0. To obtain acomparison, we may make use of the low-conductivity result, derived in Appendix

B ...

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### Contents

LEZIONI | 1 |

carrier mass | 159 |

hydrodynamique au voisinage dun axe magnétique | 214 |

Copyright | |

2 other sections not shown

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### Common terms and phrases

adiabatic invariant amplitude approximation assumed Boltzmann equation boundary conditions boundary layer calculated cathode charge coefficient collision components consider const constant contraction corresponds courbe critère current density Debye length derived differential equations discharge dispersion relation distribution function dºr eigenvalue electric field electromagnetic waves electrostatic energy principle equations of motion equilibrium exp i(k exp ioctl exp ior experimental finite fluid theory frequency given Hence instability integral interaction ioctl ionized KRUSKAL l'axe magnétique lignes limit lowest order magnetic field Maxwell's equations negative ions nonlinear obtain parameter particle perturbation Phys plasma oscillations Plasma Physics Poisson's equation potential problem quantities radial region satisfied saturation current ſº solution solving stabilité stability surface temperature thermal tion values vanish variables vector velocity voisinage waves in plasmas zero zero-order