Temporal evolution of ion temperatures in the presence of ion cyclotron instabilities

Spectroscopic techniques to determine the temporal evolution of the ion temperature in a collisionless barium plasma are presented. The theory of temperature relaxation in plasmas with external magnetic field is modified to include wave‐induced collisions. Experiment and theory are compared. The cur...

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Veröffentlicht in:	Phys. Fluids; (United States) 1977-05, Vol.20 (5), p.822-828
Hauptverfasser:	Correll, D. L., Böhmer, H., Rynn, N., Stern, R. A.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production 700107 - Fusion Energy- Plasma Research- Instabilities ALKALINE EARTH METALS BARIUM COLLISIONLESS PLASMA CYCLOTRON INSTABILITY ELEMENTS HEATING HIGH-FREQUENCY HEATING ICR HEATING INSTABILITY INSTABILITY GROWTH RATES ION TEMPERATURE MAGNETIC FIELDS METALS PLASMA PLASMA HEATING PLASMA INSTABILITY PLASMA MICROINSTABILITIES
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Zusammenfassung:	Spectroscopic techniques to determine the temporal evolution of the ion temperature in a collisionless barium plasma are presented. The theory of temperature relaxation in plasmas with external magnetic field is modified to include wave‐induced collisions. Experiment and theory are compared. The current‐driven electrostatic ion cyclotron instability is shown to be an effective method for wave heating of ions.
ISSN:	0031-9171 2163-4998
DOI:	10.1063/1.861955