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	Collisional damping of the geodesic acoustic mode with poloidal rotation
	Xie, Baoyi1,2,3; Guo, Wenfeng1,3; Xiang, Nong1,3
刊名	PHYSICS OF PLASMAS
	2017-05-01
卷号	24期号:5页码:1-6
DOI	10.1063/1.4983319
文献子类	Article
英文摘要	The collisional damping of the geodesic acoustic mode is investigated by using the gyrokinetic equation with a poloidal rotation flow and a number-conserving Krook collision operator. A dispersion relation of the geodesic acoustic mode with poloidal rotation and collision terms is derived and solved both analytically and numerically. It is shown that poloidal rotation has a significant influence on the collisional damping rate of the geodesic acoustic mode within a certain collision rate and safety factor domain. The variation of the damping rate induced by poloidal rotation depends on the safety factor and collision rate. In addition, the effect of poloidal rotation on the geodesic acoustic mode would be weakened by the safety factor, especially when the safety factor is relatively large. The ratio of the collisional damping rate to the collisionless damping rate of the geodesic acoustic mode in the large safety factor domain is performed, and the critical collision rate is estimated. Besides, the physical mechanism of the results is briefly discussed. Published by AIP Publishing.
WOS关键词	ZONAL FLOWS ; TRANSPORT ; PLASMAS ; WAVES
WOS研究方向	Physics
语种	英语
WOS记录号	WOS:000400817900045
资助机构	National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Natural Science Foundation of China(11105175 ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; National Magnetic Confinement Fusion Science Program of China(2015GB110001) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219) ; 11475219)
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/31872]
专题	合肥物质科学研究院_中科院等离子体物理研究所
作者单位	1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Peoples R China 3.Chinese Acad Sci, Ctr Magnet Fus Theory, Hefei 230031, Peoples R China
推荐引用方式 GB/T 7714	Xie, Baoyi,Guo, Wenfeng,Xiang, Nong. Collisional damping of the geodesic acoustic mode with poloidal rotation[J]. PHYSICS OF PLASMAS,2017,24(5):1-6.
APA	Xie, Baoyi,Guo, Wenfeng,&Xiang, Nong.(2017).Collisional damping of the geodesic acoustic mode with poloidal rotation.PHYSICS OF PLASMAS,24(5),1-6.
MLA	Xie, Baoyi,et al."Collisional damping of the geodesic acoustic mode with poloidal rotation".PHYSICS OF PLASMAS 24.5(2017):1-6.

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