Brief Communications

Effect of the current rise rate in a relativistic electron beam pulse propagating in the ion focusing regime on the dynamics of ion hose instability

E. K. Kolesnikov^ab, A. S. Manuilov<sup>ab

a</sup> St. Petersburg State University, Mathematics and Mechanics Faculty
^b St. Petersburg State University, Research Institute of Mathematics and Mechanics

Abstract: The effect of the current rise rate in a relativistic electron beam pulse propagating in the ion focusing regime on the spatial dynamics of the ion hose instability is considered. Numerical analysis of the formulated equations shows that the lower rate of current rise in the beam pulse at the linear stage of evolution of the instability noticeably reduces the amplitude of hose oscillations.

Received: 31.01.2013

 English version: Technical Physics, 2013, 58:9, 1380–1382

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