The stability of cylindersymmetric plasma configuration with volume currents is investigated by the method of small perturbations. The problem is reduced to only one eigen-value differential equation of second order. For
special current distribution with relativly strong concentration to the axis the eigen-values are computed numerically. For this current distribution specially for long wave lengths instability shows up. The rates of growth for different kinds of pertubations are given as a function of the wave length.
' (n X = (K( w )) 2 finden. Auf dieser Möglichkeit beruht die Quantenmechanik. Wir formulieren daher als quantenmechanisches Grundpostulat: Die Eigenwerte pn lassen sich unabhängig von den Orthogonal junktionen xp°v (n) und y)" (n) beliebig variieren.Diese Voraussetzung genügt, um die Funktionen yl(n), ipfl(m) mathematisch zu bestimmen. Es fragt sich nur, woran wir experimentell erkennen, daß alle pn verschwinden bis auf eines.Wenn pn<> allein von Null verschieden ist, ist pna -1 undNach Gl. (14) besteht zwischen den Amplituden xp°v(n) und yu(n) und, falls die Gl. (24)
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