Observation of Poincaré-Andronov-Hopf Bifurcation in Cyclotron Maser Emission from a Magnetic Plasma Trap

We report the first experimental evidence of a controlled transition from the generation of periodic bursts of electromagnetic radiation into the continuous-wave regime of a cyclotron maser formed in magnetically confined nonequilibrium plasma. The kinetic cyclotron instability of the extraordinary...

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Veröffentlicht in:Physical review letters 2018-04, Vol.120 (15), p.155001-155001, Article 155001
Hauptverfasser: Shalashov, A G, Gospodchikov, E D, Izotov, I V, Mansfeld, D A, Skalyga, V A, Tarvainen, O
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Sprache:eng
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Zusammenfassung:We report the first experimental evidence of a controlled transition from the generation of periodic bursts of electromagnetic radiation into the continuous-wave regime of a cyclotron maser formed in magnetically confined nonequilibrium plasma. The kinetic cyclotron instability of the extraordinary wave of weakly inhomogeneous magnetized plasma is driven by the anisotropic electron population resulting from electron cyclotron plasma heating in a MHD-stable minimum-B open magnetic trap.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.120.155001