Measurements of the Radial Distributions of the Geodesic Acoustic Mode and Quasi-Coherent Mode Using a Heavy Ion Beam Probe in the T-10 Tokamak Ohmic Plasma

Ammosov Y. M.; Khabanov P. O.; Drabinskiy M. A.Melnikov A. V.Eliseev L. G.Kharchev N. K.Lysenko S. E.

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Measurements of the Radial Distributions of the Geodesic Acoustic Mode and Quasi-Coherent Mode Using a Heavy Ion Beam Probe in the T-10 Tokamak Ohmic Plasma

机译：Measurements of the Radial Distributions of the Geodesic Acoustic Mode and Quasi-Coherent Mode Using a Heavy Ion Beam Probe in the T-10 Tokamak Ohmic Plasma

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摘要

Radial distributions of the electric potential and plasma density oscillations have been measured in the T-10 tokamak ohmic plasma. Radial distributions of the amplitude and frequency of the geodesic acoustic mode are plotted according to the data on the fluctuations of the electric potential of the plasma, and radial distributions of the amplitude and frequency of the quasi-coherent mode are plotted according to the data on the fluctuations of the plasma density. The quasi-coherent mode corresponds to the major part of the turbulent particle flow, the geodesic acoustic mode as a high-frequency branch of zonal flows is involved in the turbulence regulation, which makes these objects very important for plasma physics. The paper presents the results obtained in different operating modes of the T-10 tokamak.

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来源
《Physics of atomic nuclei》 |2022年第12期|2071-2075|共5页
作者
Ammosov Y. M.; Khabanov P. O.; Drabinskiy M. A.Melnikov A. V.Eliseev L. G.Kharchev N. K.Lysenko S. E.;
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作者单位

Kurchatov Inst;

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正文语种英语
中图分类原子物理学;原子核物理学、高能物理学;
关键词
quasi-coherent mode; geodesic acoustic mode; zonal flows; plasma turbulence; T-10 tokamak; heavy ion beam probing; plasma electric potential; TURBULENCE;

Measurements of the Radial Distributions of the Geodesic Acoustic Mode and Quasi-Coherent Mode Using a Heavy Ion Beam Probe in the T-10 Tokamak Ohmic Plasma

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