## Advanced Plasma Theory, Volume 25 |

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Page 143

The criterion for

magnetic mirrors produced by the change in field strength of the perturbation will

heavily concentrate the particles where the field is weakest so that the pressure

there ...

The criterion for

**instability**is (1.10) B2 On the other hand if T± » Tt then themagnetic mirrors produced by the change in field strength of the perturbation will

heavily concentrate the particles where the field is weakest so that the pressure

there ...

Page 146

The possibility of

velocity. For Tt sa T, the ion term dominates, since Vtbl<^Vtht, giving a heavily

damped wave. We may now write down the critical condition fusing m ~ kV^^TJT^

j.

The possibility of

**instability**of course arises from the term proportional to the driftvelocity. For Tt sa T, the ion term dominates, since Vtbl<^Vtht, giving a heavily

damped wave. We may now write down the critical condition fusing m ~ kV^^TJT^

j.

Page 148

S" '/ |^CXP A.-St'ht / nQ + fc, w — w Insertion of (13) into the Poissoirs equation

finally allowes us to examine the 2-stream

field. If we had also kept different T, and T± a similar form for the Harris

...

S" '/ |^CXP A.-St'ht / nQ + fc, w — w Insertion of (13) into the Poissoirs equation

finally allowes us to examine the 2-stream

**instability**in the presence of magneticfield. If we had also kept different T, and T± a similar form for the Harris

**instability**...

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### Contents

LEZIOM | 1 |

carrier mass | 159 |

hydrodynamique au voisinage dun axe magnetique | 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 diffusion discharge dispersion relation distribution function double adiabatic theory eigenvalue electric field electromagnetic waves electrons and ions electrostatic emission energy principle equations of motion equilibrium expand experimental finite fluid theory frequency given Hence inertia-limited instability integral interaction ionized Kruskal Kulsrud l'axe magnétique lignes limit linear theory lowest order magnetic field Maxwell's equations mode negative ions nonlinear obtain Ohm's law parameter particle perturbation Phys plasma oscillations Plasma Physics Poisson's equation potential problem produced quantities radial region satisfied saturation current self-adjointness solution solving stabilité stability surface temperature thermal tion transverse wave values vanish variables vector velocity Vlasov equation waves in plasmas zero zero-order