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

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Page 25

An expansion of the B.E. Consider the Boltzmann collision

gas of like particles (for the moment). Using e \? 0\-4 a-o,-(...) (asino) 7 where g =

v — v', and further, using the result (II.3.4) to write where Ag = change in g on ...

An expansion of the B.E. Consider the Boltzmann collision

**integral**for an ionizedgas of like particles (for the moment). Using e \? 0\-4 a-o,-(...) (asino) 7 where g =

v — v', and further, using the result (II.3.4) to write where Ag = change in g on ...

Page 153

As usual, we solve the Boltzman equation by the method of characteristics: wn. .

e &f (4.4) |- svoo, with £f, ov :k (y oxr') ~ * — ", |-| 22* v + Q o). 2* = x | 1 * (* + . - In

evaluating the time

As usual, we solve the Boltzman equation by the method of characteristics: wn. .

e &f (4.4) |- svoo, with £f, ov :k (y oxr') ~ * — ", |-| 22* v + Q o). 2* = x | 1 * (* + . - In

evaluating the time

**integral**, we remember that f is a constant of the motion.Page 186

One may re-express the Poisson equation (3.2) in terms of the form (3.4) for the

distribution functions, converting the velocity

means of (3.3). In this way, equation (3.2) takes the form co d'Es (E) —s d Ef, (E) [

2m ...

One may re-express the Poisson equation (3.2) in terms of the form (3.4) for the

distribution functions, converting the velocity

**integral**to an energy**integral**bymeans of (3.3). In this way, equation (3.2) takes the form co d'Es (E) —s d Ef, (E) [

2m ...

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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