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Finite-Larmor-radius stability theory of EBT plasmas

Technical Report ·
OSTI ID:6628009
; ; ;
An eikonal ballooning-mode formalism is developed to describe curvature-driven modes of hot electron plasmas in bumpy tori. The formalism treats frequencies comparable to the ion-cyclotron frequency, as well as arbitrary finite Larmor radius and field polarization, although the detailed analysis is restricted to E/sub parallel/ = 0. Moderate hot-electron finite-Larmor-radius effects are found to lower the background beta core limit, whereas strong finite-Lamor-radius effects produce stabilization.
Research Organization:
Texas Univ., Austin (USA). Inst. for Fusion Studies
DOE Contract Number:
FG05-80ET53088
OSTI ID:
6628009
Report Number(s):
DOE/ET/53088-69; IFSR-69; ON: DE83003498
Country of Publication:
United States
Language:
English

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700107* -- Fusion Energy-- Plasma Research-- Instabilities
BALLOONING INSTABILITY
CYCLOTRON FREQUENCY
EIKONAL APPROXIMATION
ELECTRON TEMPERATURE
ELMO BUMPY TORUS
ELMO DEVICES
INSTABILITY
LARMOR RADIUS
MAGNETIC MIRRORS
OPEN PLASMA DEVICES
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES
THERMONUCLEAR DEVICES