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Excitation of geodesic acoustic mode continuum by drift wave turbulence

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成果类型:
期刊论文
作者:
Yu, Jun*;Dong, J. Q.;Li, X. X.;Du, D.;Gong, X. Y.
通讯作者:
Yu, Jun
作者机构:
[Du, D.; Yu, Jun] Univ S China, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China.
[Dong, J. Q.] Zhejiang Univ, Inst Fus Theory & Simulat, Dept Phys, Hangzhou 310027, Zhejiang, Peoples R China.
[Dong, J. Q.] SW Inst Phys, Chengdu, Peoples R China.
[Li, X. X.; Gong, X. Y.] Univ S China, Sch Nucl Sci & Technol, Hengyang 421001, Hunan, Peoples R China.
通讯机构:
[Yu, Jun] U
Univ S China, Sch Math & Phys, Hengyang 421001, Hunan, Peoples R China.
语种:
英文
期刊:
Journal of Plasma Physics
ISSN:
0022-3778
年:
2012
卷:
78
期:
6
页码:
651-655
基金类别:
National Project 973, ChinaNational Basic Research Program of China [2009GB105002]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11075073, 11105071, 41104094]
机构署名:
本校为第一且通讯机构
院系归属:
核科学技术学院
数理学院
摘要:
Excitation of the geodesic acoustic mode continuum by drift wave turbulence is studied using the wave kinetic approach. For a model profile of weak non-uniform ion temperature, the forms of growth rate and radial structure of geodesic acoustic modes are obtained analytically. The growth rate is analyzed for several conditions for present-day tokamaks and compared with that for uniform ion temperature, as well as that given by the coher...

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