Effects of radial electric field on suppression of electron-temperature-gradient mode through multiscale nonlinear interactions
作者： Chanho Moon , Toshiro Kaneko , Kimitaka Itoh , Katsumi Ida , Tatsuya Kobayashi
DOI: 10.1088/0741-3335/58/10/105007
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摘要: Turbulence in fluids and plasmas is ubiquitous Nature the laboratory. Contrary to importance of 'scale-free' nature cascade neutral fluid turbulence, turbulence plasma characterised by dynamics distinct length scales. The cross-scale interactions can be highly non-symmetric so as generate structures. Here we report that system hyper-fine electron-temperature-gradient (ETG) fluctuations microscopic drift-wave (DW) strongly influenced sign gradient radial electric field through multiscale nonlinear interactions. selective suppression effects inhomogeneity on DW mode induce a new route modify ETG mode. This mechanism shows disparity with respect inhomogeneity, which driven it could source for symmetry breaking structure formation plasmas.
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