A refinement to the theory published by Finn et al. is presented here. Compression effects are taken into account by a rigorous definition of the plasma length and by modifying the expression of the velocity field. The perturbation of the plasma length is calculated exactly by a suitable Green function. Growth rates and real frequencies of the unstable m0 = 1 mode are compared with the experimental values, showing a good agreement when compression effects are strong (i.e., for short traps).
Rigorous Fluid Model for 3D Analysis of the Diocotron Instability
D'ANGOLA, Antonio;
2002-01-01
Abstract
A refinement to the theory published by Finn et al. is presented here. Compression effects are taken into account by a rigorous definition of the plasma length and by modifying the expression of the velocity field. The perturbation of the plasma length is calculated exactly by a suitable Green function. Growth rates and real frequencies of the unstable m0 = 1 mode are compared with the experimental values, showing a good agreement when compression effects are strong (i.e., for short traps).File in questo prodotto:
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