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

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Page 189

When

found that the resulting modification of the dynamical variables may be separated

into two parts: a change of « wave-form », which one can represent by the

addition ...

When

**nonlinear**terms of the equations of motion are taken into account, it isfound that the resulting modification of the dynamical variables may be separated

into two parts: a change of « wave-form », which one can represent by the

addition ...

Page 197

More generally, one would expect that any wave pattern would change slowly in

time due to

state travelling-wave solutions of

More generally, one would expect that any wave pattern would change slowly in

time due to

**nonlinearity**. On the other hand, the possibility of setting up steady-state travelling-wave solutions of

**nonlinear**equations exists for almost any ...Page 198

There are certainly many other

been discussed in this article. The limitation of instabilities by

a very important process which we have not discussed. A calculation of the ...

There are certainly many other

**nonlinear**phenomana than those which havebeen discussed in this article. The limitation of instabilities by

**nonlinear**effects isa very important process which we have not discussed. A calculation of the ...

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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