Masanori Nunami

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The driving and damping mechanism of plasma flow is an important issue because flow shear has a significant impact on turbulence in a plasma, which determines the transport in the magnetized plasma. Here we report clear evidence of the flow damping due to stochastization of the magnetic field. Abrupt damping of the toroidal flow associated with a transition(More)
To investigate multi-scale phenomena in space plasma including plasma kinetic effects, we started to develop a new electromagnetic Particle-In-Cell (PIC) code with Adaptive Mesh Refinement (AMR) technique. In AMR simulation, spatial grid size and time step intervals are defined according to the hierarchy levels, where high and low levels correspond to the(More)
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