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Reduction of the Multipactor Threshold Due to Electron Cyclotron Resonance

V. E. Semenov ; N. A. Zharova ; N. I. Zaitsev ; A. K. Gvozdev ; A. A. Sorokin ; Mietek Lisak (Institutionen för rymd- och geovetenskap, Icke-linjär elektrodynamik) ; Joel Rasch (Institutionen för rymd- och geovetenskap, Icke-linjär elektrodynamik) ; J. Puech
Ieee Transactions on Plasma Science (0093-3813). Vol. 40 (2012), 11, p. 3062-3069.
[Artikel, övrig vetenskaplig]

Single-surface multipactor on metal surfaces is studied in the case when the microwave electric field is superimposed on a dc electric and a permanent magnetic field. Based on a simple analysis of the electron motion, it is predicted that considerable reduction in the multipactor threshold is possible when the electron cyclotron frequency is equal to the microwave field frequency and the permanent magnetic field has the proper orientation with respect to the metal surface. The prediction is confirmed by numerical simulations, and some experimental indications of the reduced multipactor threshold are also presented.

Nyckelord: Accelerator RF Systems, avalanche breakdown, electric breakdown, magnetic fields, microwave, external magnetic-field, crossed fields, discharge, modes

Denna post skapades 2013-01-03. Senast ändrad 2014-09-02.
CPL Pubid: 168990


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Institutioner (Chalmers)

Institutionen för rymd- och geovetenskap, Icke-linjär elektrodynamik (2010-2012)



Chalmers infrastruktur