Nonlinear dynamics of beta-induced Alfv�n eigenmode driven by energetic particles

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题名:	Nonlinear dynamics of beta-induced Alfv�n eigenmode driven by energetic particles
作者:	陳騮;Wang, X.;Briguglio, S.;Chen, L.;Di Troia, C.;Fogaccia, G.;Vlad, G.;Zonca, F.
贡献者:	理學院物理學系
日期:	2012-10-04
上传时间:	2026-04-23 12:31:10 (UTC+8)
出版者:	American Physical Society;United States
摘要:	摘要： Nonlinear saturation of a beta-induced Alfvén eigenmode, driven by slowing down energetic particles via transit resonance, is investigated by the nonlinear hybrid magnetohyrodynamic gyrokinetic code. Saturation is characterized by frequency chirping and symmetry breaking between co- and counter-passing particles, which can be understood as the evidence of resonance detuning. The scaling of the saturation amplitude with the growth rate is also demonstrated to be consistent with radial resonance detuning due to the radial nonuniformity and mode structure. 其他題名： Phys Rev E Stat Nonlin Soft Matter Phys 出版者： United States 出版日期： 2012-10 出處： Physical review. E, Statistical, nonlinear, and soft matter physics, 2012-10, Vol.86 (4), p.045401, Article 045401 識別號： ISSN: 1539-3755 識別號： ISSN: 1550-2376 識別號： EISSN: 1550-2376 識別號： DOI: 10.1103/PhysRevE.86.045401 識別號： PMID: 23214643
显示于类别:	[物理學系] 期刊論文

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