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The spontaneous destabilization of neoclassical tearing mode with existing energetic ions in low torque tokamak plasmas
Li, Erzhong; Hu, L.; Zhao, H.; Shi, T.; Liu, Y.; Liu, H.; Zhang, J.; Xu, L.; EAST Contributors
2017-11-01
Source PublicationNUCLEAR FUSION
Volume57Issue:11
AbstractPeriodic destabilization of a neoclassical tearing mode (NTM, m/n = 2/1) in between two edge localized modes (ELMs) is observed with a varying frequency that deviates from the wave-particle resonance determined precession frequency, is instead near the electron diamagnetic drift frequency. This scenario is created by the balanced injection of co- and counter-current neutral beams which give rise to low-torque plasmas with a high confinement on the experimental advanced superconducting tokamak (EAST). The destabilization is obviously dependent on the ratio of the mode frequency to the electron diamagnetic frequency, indicating the effect of relative rotation between the NTM and plasmas on the mode stability. In particular, the role of polarization current in general Rutherford equation is identified by experimental data reported in this letter.
SubtypeArticle
KeywordNtm Energetic Ions Ion polarizatIon Current
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNational Natural Science Foundation of China(11405216 ; National Natural Science Foundation of China(11405216 ; JSPS-NRF-NSFC (NSFC)(11261140328) ; JSPS-NRF-NSFC (NSFC)(11261140328) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; 11575249) ; 11575249) ; National Natural Science Foundation of China(11405216 ; National Natural Science Foundation of China(11405216 ; JSPS-NRF-NSFC (NSFC)(11261140328) ; JSPS-NRF-NSFC (NSFC)(11261140328) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; 11575249) ; 11575249)
DOI10.1088/1741-4326/aa823c
WOS KeywordCOLLISIONALITY DEPENDENCE ; MAGNETIC ISLANDS ; POLARIZATION CURRENT ; LIMITS
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(11405216 ; National Natural Science Foundation of China(11405216 ; JSPS-NRF-NSFC (NSFC)(11261140328) ; JSPS-NRF-NSFC (NSFC)(11261140328) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; 11575249) ; 11575249) ; National Natural Science Foundation of China(11405216 ; National Natural Science Foundation of China(11405216 ; JSPS-NRF-NSFC (NSFC)(11261140328) ; JSPS-NRF-NSFC (NSFC)(11261140328) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; National Magnetic Confinement Fusion Energy Research Program(2015GB110005) ; 11575249) ; 11575249)
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
WOS IDWOS:000408750800001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33624
Collection中科院等离子体物理研究所
AffiliationChinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Li, Erzhong,Hu, L.,Zhao, H.,et al. The spontaneous destabilization of neoclassical tearing mode with existing energetic ions in low torque tokamak plasmas[J]. NUCLEAR FUSION,2017,57(11).
APA Li, Erzhong.,Hu, L..,Zhao, H..,Shi, T..,Liu, Y..,...&EAST Contributors.(2017).The spontaneous destabilization of neoclassical tearing mode with existing energetic ions in low torque tokamak plasmas.NUCLEAR FUSION,57(11).
MLA Li, Erzhong,et al."The spontaneous destabilization of neoclassical tearing mode with existing energetic ions in low torque tokamak plasmas".NUCLEAR FUSION 57.11(2017).
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