Decay of geodesic acoustic modes due to the combined action of phase mixing and Landau damping

11 Aug 2016 Biancalani A. Palermo F. Angioni C. Bottino A. Zonca F.

Geodesic acoustic modes (GAMs) are oscillations of the electric field whose importance in tokamak plasmas is due to their role in the regulation of turbulence. The linear collisionless damping of GAMs is investigated here by means of analytical theory and numerical simulations with the global gyrokinetic particle-in-cell code ORB5... (read more)

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