Formation Process of a Solitary Vortex in a Zonal Flow - Drift-Wave Dynamics

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Description

<p>A solitary vortex organization process in drift-wave type fluctuations interacting with the zonal flow was identified experimentally in a linear magnetized plasma. An azimuthal probe array was used to evaluate temporal changes in the amplitude and phase in the density fluctuations. Excitation/damping of the solitary vortex is synchronized with zonal perturbation, and the waveform of drift-wave type fluctuation and its harmonics also changes synchronously. The solitary vortex is formed primarily through the phase modulation of the fundamental drift-wave type fluctuation and its harmonics.</p>

Journal

  • Plasma and Fusion Research

    Plasma and Fusion Research 17 (0), 1301106-1301106, 2022-11-24

    The Japan Society of Plasma Science and Nuclear Fusion Research

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