Search Results - "Maeyama, S."

Transport model surrogates using stochastic variational Gaussian processes with deep kernels.

Authors: Honda, M. Maeyama, S. Narita, E.

Source: Physics of Plasmas. Oct2025, Vol. 32 Issue 10, p1-14. 14p.

A soft x-ray standing wave measurement system for analyzing compound semiconductor surfaces prepared by molecular beam epitaxy.

Authors: Sugiyama, M. Maeyama, S. Oshima, M.

Source: Review of Scientific Instruments; September 1996, Vol. 67, p3182-3186, 5p

Overview of multiscale turbulence studies covering ion-to-electron scales in magnetically confined fusion plasma.

Authors: Maeyama, S. Howard, N.T. Citrin, J. et al.

Source: Nuclear Fusion. Nov2024, Vol. 64 Issue 11, p1-14. 14p.

Subjects: Plasma turbulence, Plasma confinement, Turbulence, Eddy flux, Larmor radius, Plasma interactions

Convective Growth of Auroral Arcs Through the Feedback Instability in a Dipole Geometry.

Authors: Sakaki, T. Watanabe, T.‐H. Maeyama, S.

Source: Journal of Geophysical Research. Space Physics. Dec2024, Vol. 129 Issue 12, p1-12. 12p.

Subject Terms: Plasma Alfven waves, Magnetic dipoles, Auroras, Dispersion relations, Magnetic fields, Wave packets

Stabilization of trapped electron mode through effective diffusion in electron temperature gradient turbulence.

Authors: Watanabe, T.-H. Maeyama, S. Nakata, M.

Source: Nuclear Fusion. May2023, Vol. 63 Issue 5, p1-7. 7p.

Subjects: Plasma turbulence, Electron diffusion, Electron temperature, Turbulence, Toroidal plasma, Electrons

(NH4)2Sx-treated InP(100) surfaces studied by soft x-ray photoelectron spectroscopy.

Authors: Maeyama, S. Sugiyama, M. Heun, S.

Source: Journal of Electronic Materials; May1996, Vol. 25, p593-596, 4p

Plasma beta dependence of ion temperature gradient driven turbulence influenced by Shafranov shift.

Authors: Niiro, M Ishizawa, A Nakamura, Y et al.

Source: Plasma Physics & Controlled Fusion; Jun2023, Vol. 65 Issue 6, p1-12, 12p

Nonlinear Gyrokinetic Simulation of the Magnetosphere‐Ionosphere Feedback Coupling.

Authors: Watanabe, T.‐H. Fujita, K. Maeyama, S.

Source: Geophysical Research Letters. Apr2026, Vol. 53 Issue 8, p1-9. 9p.

Anomalous tungsten transport driven by ion temperature gradient turbulence.

Authors: Xu, Shaokang Maeyama, S. Watanabe, T.-H.

Source: Nuclear Fusion. Jun2022, Vol. 62 Issue 6, p1-7. 7p.

Subjects: Plasma turbulence, Ion temperature, Tungsten, Turbulence, Plasma physics, Eddies

On the triad transfer analysis of plasma turbulence: symmetrization, coarse graining, and directional representation.

Authors: Maeyama, S Sasaki, M Fujii, K et al.

Source: New Journal of Physics. Apr2021, Vol. 23 Issue 4, p1-14. 14p.

Subjects: Singular value decomposition, Orthogonal decompositions, Plasma turbulence, Energy transfer, Transfer functions, Flow visualization, Plasma materials processing

Effects of ion polarization and finite-β on heat transport in slab electron-temperature-gradient driven turbulence.

Authors: Maeyama, S. Kusaka, S. Watanabe, T.-H.

Source: Physics of Plasmas. May2021, Vol. 28 Issue 5, p1-11. 11p.

Growth of Auroral Structures, Vortex Formation, Turbulence Transition, and Energy Cascade in Alfvénic Magnetosphere‐Ionosphere Coupling.

Authors: Watanabe, T.‐H. Fujita, K. Maeyama, S.

Source: Geophysical Research Letters. 10/28/2025, Vol. 52 Issue 20, p1-9. 9p.

Implementation of a gyrokinetic collision operator with an implicit time integration scheme and its computational performance.

Authors: Maeyama, S. Watanabe, T.-H. Idomura, Y. et al.

Source: Computer Physics Communications. Feb2019, Vol. 235, p9-15. 7p.

Subjects: Time integration scheme, Iterative methods (Mathematics), Krylov subspace, Integrators, Implicit functions

Gyrokinetic turbulence simulations of high-beta tokamak and helical plasmas with full-kinetic and hybrid models.

Authors: Ishizawa, A. Maeyama, S. Watanabe, T.-H. et al.

Source: Nuclear Fusion. 2013, Vol. 53 Issue 5, p1-13. 13p.

Subjects: Plasma physics, Gyrostabilizers, Tokamaks, Electrostatics, Ion temperature

Numerical techniques for parallel dynamics in electromagnetic gyrokinetic Vlasov simulations.

Authors: Maeyama, S. Ishizawa, A. Watanabe, T.-H. et al.

Source: Computer Physics Communications. Nov2013, Vol. 184 Issue 11, p2462-2473. 12p.

Subjects: Numerical analysis, Dynamical systems, Electromagnetism, Simulation methods & models, Grid computing, Nonlinear systems

A hybrid method of semi-Lagrangian and additive semi-implicit Runge–Kutta schemes for gyrokinetic Vlasov simulations

Authors: Maeyama, S. Ishizawa, A. Watanabe, T.-H. et al.

Source: Computer Physics Communications. Sep2012, Vol. 183 Issue 9, p1986-1992. 7p.

Subjects: Runge-Kutta formulas, Simulation methods & models, Eulerian graphs, Ion temperature, Magnetic fields, Plasma gases, Nonlinear theories

Cross-Scale Interactions between Electron and Ion Scale Turbulence in a Tokamak Plasma.

Authors: Maeyama, S. Idomura, Y. Watanabe, T.-H. et al.

Source: Physical Review Letters. 6/26/2015, Vol. 114 Issue 25, p255002-1-255002-5. 5p.

Comparison between kinetic-ballooning-mode-driven turbulence and ion-temperature-gradient-driven turbulence.

Authors: Maeyama, S. Ishizawa, A. Watanabe, T. -H. et al.

Source: Physics of Plasmas. May2014, Vol. 21 Issue 5, p052301-1-052301-12. 12p. 15 Graphs.

Effects of time-varying E×B flow on slab ion-temperature-gradient turbulence.

Authors: Maeyama, S. Ishizawa, A. Watanabe, T.-H. et al.

Source: Physics of Plasmas. Jun2010, Vol. 17 Issue 6, p062305. 9p. 2 Color Photographs, 9 Graphs.

Solid surface analysis beamline BL-1A at the Photon Factory.

Authors: Kawamura, T. Maeyama, S. Oshima, M. et al.

Source: Review of Scientific Instruments; Jul1989, Vol. 60 Issue 7, p1928, 4p