Non-linear evolution of double tearing modes in tokamaks
- Princeton Plasma Physics Laboratory
The delta prime formalism with neoclassical modifications has proven to be a useful tool in the study of tearing modes in high beta, collisionless plasmas. In this paper the formalism developed for the inclusion of neoclassical effects on tearing modes in monotonic q-profile plasmas is extended to plasmas with hollow current profiles and double rational surfaces. First, the classical formalism of tearing modes in the Rutherford regime in low beta plasmas is extended to q profiles with two rational surfaces. Then it is shown that this formalism is readily extended to include neoclassical effects.
- Research Organization:
- Princeton Plasma Physics Lab., Princeton, NJ (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC02-76CH03073
- OSTI ID:
- 750054
- Report Number(s):
- PPPL--3411
- Country of Publication:
- United States
- Language:
- English
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