Instability in a relativistic electron layer with a strong azimuthal magnetic field

Hughes, T. P.; Godfrey, B. B.
March 1985
Applied Physics Letters;3/1/1985, Vol. 46 Issue 5, p473
Academic Journal
A thin relativistic electron layer immersed in a strong azimuthal magnetic field between two concentric cylindrical conductors is shown to be unstable. The instability is caused by the curvature of the walls, which modifies the interaction between particles in such a way that the inductive (attractive) forces are greater than the electrostatic (repulsive) forces. The growth rate of the instability peaks at long axial wavelengths.


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