Journal Article On the Dispersion of Geodesic Acoustic Modes

I. Smolyakov, A.  ,  F. Bashir, M.  ,  G. Elfimov, A.  ,  矢木, 雅敏  ,  宮戸, 直亮

42 ( 5 )  , pp.407 - 417 , 2016-06 , Pleiades Publishing
ISSN:1562-6938
Description
The problem of dispersion of geodesic acoustic modes is revisited with two different methods for the solution of the kinetic equation. The dispersive corrections to the mode frequency are calculated by including the m=2 poloidal harmonics. Our obtained results agree with some earlier results but differ in various ways with other previous works. Limitations and advantages of different approaches are discussed.

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