5 papers · 1 filter
Energy exchange between electrons and ions driven by ITG-TEM turbulence
T. Kato, H. Sugama, T. -H. Watanabe
In this study, the energy exchange between electrons and ions in ITG TEM turbulence is investigated using gyrokinetic simulations. The energy exchange in TEM turbulence is primaril…
Time evolutions of information entropies in a one-dimensional Vlasov-Poisson system
K. Maekaku, H. Sugama, T. -H. Watanabe
A one-dimensional Vlasov-Poisson system is considered to elucidate how the information entropies of the probability distribution functions of the electron position and velocity var…
Energy exchange between electrons and ions in ion temperature gradient turbulence
T. Kato, H. Sugama, T. -H. Watanabe +1
Microturbulence in magnetic confined plasmas contributes to energy exchange between particles of different species as well as the particle and heat fluxes. Although the effect of t…
Contour Dynamics for One-Dimensional Vlasov-Poisson Plasma with the Periodic Boundary
Hiroki Sato, T. -H. Watanabe, Shinya Maeyama
We revisit the contour dynamics (CD) simulation method which is applicable to large deformation of distribution function in the Vlasov-Poisson plasma with the periodic boundary, wh…
Improved linearized model collision operator for the highly collisional regime
Hideo Sugama, Seikichi Matsuoka, Shinsuke Satake +2
The linearized model collision operator for multiple species plasmas given by H. Sugama, T.-H. Watanabe, and M. Nunami [Phys.\ Plasmas {\bf 16}, 112503 (2009)] is improved to be pr…