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Acta Physica Sinica (Overseas Edition), 1999, Vol. 8(12): 908-912    DOI: 10.1088/1004-423X/8/12/005
PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES Prev   Next  

INFLUENCE OF HIGHER ORDER TOROIDICITY ON COUPLING OF TEARING MODES

WANG CHUAN-BING (王传兵)a, LI DING (李定)b
a Department of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China; b Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
Abstract  he general dispersion relation for toroidally coupled tearing mode including pressure and other O($\varepsilon$2) order corrections is naturally derived based on the structure of ideal magnetohydro-dynamic solutions in the outer region. It is found that the inclusion of the O($\varepsilon$2) order terms in the diagonal element of E-matrix does not change physical properties of the toroidally coupled tearlng mode and only make negligible contribution to the magnitude of growth rate.
Received:  15 June 1999      Accepted manuscript online: 
PACS:  52.55.Fa (Tokamaks, spherical tokamaks)  
  52.55.Hc (Stellarators, torsatrons, heliacs, bumpy tori, and other toroidal confinement devices)  
  52.30.Cv (Magnetohydrodynamics (including electron magnetohydrodynamics))  
  52.35.Bj (Magnetohydrodynamic waves (e.g., Alfven waves))  
  52.35.Py (Macroinstabilities (hydromagnetic, e.g., kink, fire-hose, mirror, ballooning, tearing, trapped-particle, flute, Rayleigh-Taylor, etc.))  
Fund: Project supported by the National Natural Science Foundation of China(Grant No. 19515513, 49774243 and 49830026).

Cite this article: 

WANG CHUAN-BING (王传兵), LI DING (李定) INFLUENCE OF HIGHER ORDER TOROIDICITY ON COUPLING OF TEARING MODES 1999 Acta Physica Sinica (Overseas Edition) 8 908

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