Published April 1980
| Version v1
Journal article
Linear stability of high-m drift-tearing modes
Creators
- 1. Department of Physics, University of California, Los Angeles, California 90024
Description
A new model for the electron parallel conductivity in a plasma of moderate collisionality is formulated using the Williamson collision operator. With this model, the linear stability of high-m drift-tearing modes (driven unstable by delT/sub e/) is studied as a function of the electron-ion collision frequency ν/sub c/ with no restriction placed on the ratio ν/sub c//ω. It is shown that the growth rate of this instability can be substantial for realistic tokamak parameters. The implication for understanding the observed magnetic turbulence and anomalous electron heat transport in tokamaks is discussed
Additional details
Publishing Information
- Journal Title
- Phys. Fluids
- Journal Volume
- 23
- Journal Issue
- 4
- Series
- Phys. Fluids.
- Journal Page Range
- 771-782
- ISSN
- 0031-9171
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 11539420
- Subject category
- S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
- Descriptors DEI
- ANALYTICAL SOLUTION; COLLISIONAL PLASMA; CONFIGURATION; DIFFERENTIAL EQUATIONS; DISPERSION RELATIONS; DRIFT INSTABILITY; EARTH MAGNETOSPHERE; EIGENVALUES; ELECTRIC CONDUCTIVITY; ELECTRON-ION COLLISIONS; ELECTRONS; FLUCTUATIONS; HEAT TRANSFER; INSTABILITY GROWTH RATES; MAGNETIC FIELDS; NUMERICAL SOLUTION; SLABS; SPATIAL DISTRIBUTION; TEARING INSTABILITY; TOKAMAK DEVICES; TRANSPORT THEORY; TURBULENCE; WAVE FORMS
- Descriptors DEC
- CLOSED PLASMA DEVICES; COLLISIONS; DISTRIBUTION; EARTH ATMOSPHERE; ELECTRICAL PROPERTIES; ELECTRON COLLISIONS; ELEMENTARY PARTICLES; ENERGY TRANSFER; EQUATIONS; FERMIONS; INSTABILITY; ION COLLISIONS; LEPTONS; PHYSICAL PROPERTIES; PLASMA; PLASMA INSTABILITY; PLASMA MACROINSTABILITIES; PLASMA MICROINSTABILITIES; THERMONUCLEAR DEVICES; VARIATIONS