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

### From inside the book

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Page 105

Further one invokes the so-called MacKeown equation of bipolar space

motion (3.2). x: = 7.6.10°. V. |. (...) -. |. [V*/cm2], where j, is the emission current

density at the cathode and V, the potential across the space-

...

Further one invokes the so-called MacKeown equation of bipolar space

**charge**motion (3.2). x: = 7.6.10°. V. |. (...) -. |. [V*/cm2], where j, is the emission current

density at the cathode and V, the potential across the space-

**charge**region. V., X...

Page 117

Under these circumstances we find in the space-

type (bp). Because of the thermal motion, ions and electrons leave the discharge

zone. In a stationary state the loss of ions and electrons must be equal. For this a

...

Under these circumstances we find in the space-

**charge**region conditions of thetype (bp). Because of the thermal motion, ions and electrons leave the discharge

zone. In a stationary state the loss of ions and electrons must be equal. For this a

...

Page 183

When the plane of electrons initially at a = aro is displaced to a = a, + š(aro), it

passes over an amount of positive

is the equilibrium (uniform) number density of electrons. Here and throughout this

...

When the plane of electrons initially at a = aro is displaced to a = a, + š(aro), it

passes over an amount of positive

**charge**equal to emoś per unit area, where nois the equilibrium (uniform) number density of electrons. Here and throughout this

...

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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