The switching of a pure electron diode between two equilibria of different current status is numerically investigated by means of an updated Vlasov code. The emphasis is on finite jumps of the applied voltage as well as on jumps in the vicinity of a critical point, namely, the space-charge-limited (SCL) point, which marks the transition between a high current normal branch—a state without electron reflection—and a low current stable branch—a state where electrons are partially reflected. The main result obtained is a strong delay of the transition time in case of a switching close to an SCL point. In case of a switching to an unstable part of the branch, large amplitude coherent oscillations arise corresponding to limit cycles in the language of nonlinear dynamics.
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June 2004
Research Article|
June 01 2004
Switching of nonneutral plasma diodes. II. Numerical results
V. I. Kuznetsov;
V. I. Kuznetsov
Ioffe Physico-Technical Institute, St. Petersburg 194021, Russia
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A. Ya. Ender;
A. Ya. Ender
Ioffe Physico-Technical Institute, St. Petersburg 194021, Russia
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H. Schamel;
H. Schamel
Physikalisches Institut, Universität Bayreuth, D-95440 Bayreuth, Germany
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P. V. Akimov
P. V. Akimov
Physikalisches Institut, Universität Bayreuth, D-95440 Bayreuth, Germany
Ioffe Physico-Technical Institute, St. Petersburg 194021, Russia
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V. I. Kuznetsov
A. Ya. Ender
H. Schamel
P. V. Akimov
,
Ioffe Physico-Technical Institute, St. Petersburg 194021, Russia
Phys. Plasmas 11, 3224–3233 (2004)
Article history
Received:
November 12 2003
Accepted:
March 01 2004
Connected Content
This is a companion to:
Switching of nonneutral plasma diodes. I. Analytic theory
Citation
V. I. Kuznetsov, A. Ya. Ender, H. Schamel, P. V. Akimov; Switching of nonneutral plasma diodes. II. Numerical results. Phys. Plasmas 1 June 2004; 11 (6): 3224–3233. https://doi.org/10.1063/1.1723460
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