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Effects of radial electric field on ion temperature gradient driven mode stability.
- Source :
- Physics of Plasmas; Apr2021, Vol. 28 Issue 4, p1-7, 7p
- Publication Year :
- 2021
-
Abstract
- The local stability of ion-temperature gradient driven mode (ITG) in the presence of a given radial electric field is investigated using gyrokinetic theory and ballooning mode formalism with toroidal effect accounted for. It is found that zero frequency radial electric field-induced poloidal rotation can significantly stabilize ITG, while the associated density perturbation has little effect on ITG stability due to the modification of finite-orbit-width effect. However, the parallel mode structure is slightly affected due to the evenly symmetric density modulation associated with the zero-frequency radial electric field. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 1070664X
- Volume :
- 28
- Issue :
- 4
- Database :
- Complementary Index
- Journal :
- Physics of Plasmas
- Publication Type :
- Academic Journal
- Accession number :
- 150105911
- Full Text :
- https://doi.org/10.1063/5.0020749