Proceedings of the International School of Physics "Enrico Fermi.", Volume 25N. Zanichelli, 1953 - Nuclear physics |
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Page 104
... emission ) , by the combined effect of the above ( T - F - emission ) , by the y effect of single or multiply charged ions ( y + -emission ) , by the y effect of excited atoms ( Ym - emission ) or by the photoeffect ( y , -emission ) ...
... emission ) , by the combined effect of the above ( T - F - emission ) , by the y effect of single or multiply charged ions ( y + -emission ) , by the y effect of excited atoms ( Ym - emission ) or by the photoeffect ( y , -emission ) ...
Page 105
... emission current density at the cathode and V , the potential across the space - charge region . V. , X. and j have to be measured in V , V / cm and A / cm2 , respectively . MacKeowns formula is based on the assump- tion that electrons ...
... emission current density at the cathode and V , the potential across the space - charge region . V. , X. and j have to be measured in V , V / cm and A / cm2 , respectively . MacKeowns formula is based on the assump- tion that electrons ...
Page 117
... emission leads to difficulties . Only if the conditions of the surface favour the process of emission is there any hope of igniting the arc with extreme contraction . If these favourable influences are not present then it may be ...
... emission leads to difficulties . Only if the conditions of the surface favour the process of emission is there any hope of igniting the arc with extreme contraction . If these favourable influences are not present then it may be ...
Contents
W B THOMPSON Kinetic theory of plasma | 97 |
Topics in microinstabilities | 137 |
carrier mass | 159 |
Copyright | |
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adiabatic invariant amplitude approximation Boltzmann equation boundary conditions boundary layer calculated cathode coefficient collision components consider constant contraction corresponds courbe critère current density d³k d³v Debye length derived differential equations discharge dispersion relation distribution function eigenvalue electric field electrons and ions electrostatic energy principle equations of motion equilibrium exp[i(k finite fluid theory frequency given Hence instability integral interaction ionized k₁ KRUSKAL l'axe magnétique limit Liouville function lowest order magnetic field Maxwell's equations mode nonlinear obtain Ohm's law P₁ parameter particle périodique perturbation Phys plasma oscillations Plasma Physics Poisson's equation potential problem quantities R₁ region Rendiconti S.I.F. satisfied saturation current solution solving stabilité stability temperature thermal tion v₁ values variables vector velocity x₁ zero zero-order Απ