Detection of the kinetic geodesic acoustic mode (KGAM) near the centre region of JIPPT-IIU tokamak plasmas

Y. Hamada; T. Watari; A. Nishizawa; O. Yamagishi; K. Narihara; K. Ida; Y. Kawasumi; T. Ido; M. Kojima; K. Toi

doi:10.1088/0029-5515/51/3/033005

Detection of the kinetic geodesic acoustic mode (KGAM) near the centre region of JIPPT-IIU tokamak plasmas

Y. Hamada, T. Watari, A. Nishizawa, O. Yamagishi, K. Narihara, K. Ida, Y. Kawasumi, T. Ido, M. Kojima, K. Toi

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The broad and intense spectrum of the geodesic acoustic mode (GAM) oscillations near the magnetic axis of tokamak plasmas with T_e/T _i ≫ 1 becomes narrow and weak during neutral beam heating. It then becomes wide and weak during third harmonics ICRF heating. The wide spectra of GAMs are generally consistent with recent kinetic GAM (KGAM) theories.

Original language	English
Article number	033005
Journal	Nuclear Fusion
Volume	51
Issue number	3
DOIs	https://doi.org/10.1088/0029-5515/51/3/033005
Publication status	Published - Mar 2011
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Condensed Matter Physics

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10.1088/0029-5515/51/3/033005

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title = "Detection of the kinetic geodesic acoustic mode (KGAM) near the centre region of JIPPT-IIU tokamak plasmas",

abstract = "The broad and intense spectrum of the geodesic acoustic mode (GAM) oscillations near the magnetic axis of tokamak plasmas with Te/T i ≫ 1 becomes narrow and weak during neutral beam heating. It then becomes wide and weak during third harmonics ICRF heating. The wide spectra of GAMs are generally consistent with recent kinetic GAM (KGAM) theories.",

author = "Y. Hamada and T. Watari and A. Nishizawa and O. Yamagishi and K. Narihara and K. Ida and Y. Kawasumi and T. Ido and M. Kojima and K. Toi",

year = "2011",

month = mar,

doi = "10.1088/0029-5515/51/3/033005",

language = "English",

volume = "51",

journal = "Nuclear Fusion",

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T1 - Detection of the kinetic geodesic acoustic mode (KGAM) near the centre region of JIPPT-IIU tokamak plasmas

AU - Hamada, Y.

AU - Watari, T.

AU - Nishizawa, A.

AU - Yamagishi, O.

AU - Narihara, K.

AU - Ida, K.

AU - Kawasumi, Y.

AU - Ido, T.

AU - Kojima, M.

AU - Toi, K.

PY - 2011/3

Y1 - 2011/3

N2 - The broad and intense spectrum of the geodesic acoustic mode (GAM) oscillations near the magnetic axis of tokamak plasmas with Te/T i ≫ 1 becomes narrow and weak during neutral beam heating. It then becomes wide and weak during third harmonics ICRF heating. The wide spectra of GAMs are generally consistent with recent kinetic GAM (KGAM) theories.

AB - The broad and intense spectrum of the geodesic acoustic mode (GAM) oscillations near the magnetic axis of tokamak plasmas with Te/T i ≫ 1 becomes narrow and weak during neutral beam heating. It then becomes wide and weak during third harmonics ICRF heating. The wide spectra of GAMs are generally consistent with recent kinetic GAM (KGAM) theories.

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U2 - 10.1088/0029-5515/51/3/033005

DO - 10.1088/0029-5515/51/3/033005

M3 - Article

AN - SCOPUS:79952775381

SN - 0029-5515

VL - 51

JO - Nuclear Fusion

JF - Nuclear Fusion

IS - 3

M1 - 033005

ER -

Detection of the kinetic geodesic acoustic mode (KGAM) near the centre region of JIPPT-IIU tokamak plasmas

Abstract

All Science Journal Classification (ASJC) codes

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