Akihiro Ishizawa

Papers

1. Shumpei Kawagoe, Akihiro Ishizawa, Nobuyuki Aiba, Yuji Nakamura
   Two types of helical core equilibrium states in tokamak plasmas
   Plasma Physics and Controlled Fusion (2022)
   
   
2. Hideaki Masui, Akihiro Ishizawa, Kenji Imadera, Yasuaki Kishimoto, Yuji Nakamura
   Global saturation physics of ion temperature gradient turbulence in finite normalized pressure tokamaks
   Nuclear Fusion 62, 074001 (2022)
   
   
3. A. Ishizawa, K. Imadera, Y. Nakamura and Y. Kishimoto
   Multi-scale interactions between turbulence and magnetohydrodynamic instability driven by energetic particles
   Nuclear Fusion 61, 114002 (2021)
   
   
4. Y. Nakamura, A. Ishizawa, Y. Ishida
   Influence of plasma boundary shape on helical core/long-lived mode in tokamak plasmas
   Physics of Plasmas, 27, 092509 (2020)
   
   
5. Y. Ishida, A. Ishizawa, K. Imadera, Y. Kishimoto, Y. Nakamura
   Global gyrokinetic nonlinear simulations of kinetic infernal modes in reversed shear tokamaks
   Physics of Plasmas, 27, 092302 (2020)
   
   
6. A. Ishizawa, K. Imadera, Y. Nakamura, Y. Kishimoto
   Global gyrokinetic simulation of turbulence driven by kinetic ballooning mode
   Physics of Plasmas, 26, 082301 (2019)
   
   
7. A. Ishizawa, D. Urano, Y. Nakamura, S. Maeyama, and T.-H. Watanabe
   Persistence of Ion Temperature Gradient Turbulent Transport at Finite Normalized Pressure
   Physical Review Letters, 123, 025003 (2019)
   
   
8. A Ishizawa, Y Kishimoto and Y Nakamura
   Multi-scale interactions between turbulence and magnetic islands and parity mixture - a review
   Plasma Physics and Controlled Fusion, 61, 054006 (2019)
   
   
9. A. Ishizawa, Y. Kishimoto, T.-H. Watanabe, H. Sugama, K. Tanaka, S. Satake, S. Kobayashi, K. Nagasaki and Y. Nakamura
   Multi-machine analysis of turbulent transport in helical systems via gyrokinetic simulation
   Nuclear Fusion, 57, 066010 (2017)
   
   
10. S. Maeyama, T.-H. Watanabe, A. Ishizawa
    Suppression of Ion-Scale Microtearing Modes by Electron-Scale Turbulence via Cross-Scale Nonlinear Interactions in Tokamak Plasmas
    Physical Review Letters, 119, 195002 (2017)
    
    
11. M. Sato and A. Ishizawa
    Nonlinear parity mixtures controlling the propagation of interchange modes
    Physics of Plasmas, 24, 082501 (2017)
    
    
12. A. Ishizawa, T.-H. Watanabe, H. Sugama, M. Nunami, K. Tanaka, S. Maeyama and N. Nakajima
    Turbulent transport of heat and particles in a high ion temperature discharge of the Large Helical Device
    Nuclear Fusion, 55, 043024 (2015)
    
    
13. S. Maeyama, Y. Idomura, T.-H. Watanabe, M. Nakata, M. Yagi, N. Miyato, A. Ishizawa, and M. Nunami
    Cross-Scale Interactions between Electron and Ion Scale Turbulence in a Tokamak Plasma
    Physical Review Letters, 114, 255002 (2015)
    
    
14. A. Ishizawa, S. Maeyama, T.-H.Watanabe, H. Sugama and N. Nakajima
    Electromagnetic gyrokinetic simulation of turbulence in torus plasmas
    Journal of Plasma Physics, 81, 435810203 (2015)
    
    
15. A. Ishizawa, T.-H. Watanabe, H. Sugama, S. Maeyama and N. Nakajima
    Electromagnetic gyrokinetic turbulence in finite-beta helical plasmas (APS invited talk)
    Physics of Plasmas, 21, 055905 (2014)
    (INVITED PAPERS FROM THE 55TH ANNUAL APS-DPP MEETING: EDITOR’S CHOICE)
    
    
16. S. Maeyama, A. Ishizawa, T.-H. Watanabe, M. Nakata, N. Miyato, M. Yagi, and Y. Idomura
    Comparison between kinetic-ballooning-mode-driven turbulence and ion-temperature-gradient-driven turbulence
    Physics of Plasmas, 21, 052301 (2014)
    
    
17. Y. Asahi, A. Ishizawa, T.-H. Watanabe, H. Tsutsui and S. Tsuji-Iio
    Regulation of electron temperature gradient turbulence by zonal flows driven by trapped electron modes
    Physics of Plasmas, 21, 052306 (2014)
    
    
18. Shinya MAEYAMA, Akihiro ISHIZAWA, Tomohiko WATANABE, Motoki NAKATA, Naoaki MIYATO and Yasuhiro IDOMURA
    Kinetic Ballooning Mode Turbulence Simulation based on Electromagnetic Gyrokinetics
    Plasma and Fusion Research, Volume 9, 1203020 (2014)
    
    
19. A. Ishizawa and F. L. Waelbroeck
    Magnetic island evolution in the presence of ion-temperature gradientdriven turbulence
    Physics of Plasmas, 20, 122301 (2013)
    
    
20. A. Ishizawa and T.-H. Watanabe
    Reversible collisionless magnetic reconnection
    Physics of Plasmas, 20, 102116 (2013)
    
    
21. A. Ishizawa, S. Maeyama, T.-H.Watanabe, H. Sugama and N. Nakajima
    Gyrokinetic turbulence simulations of high-beta tokamak and helical plasmas with full-kinetic and hybrid models
    Nuclear Fusion, 53, 053007 (2013)
    
    
22. S. Maeyama, A. Ishizawa, T.-H. Watanabe, N. Nakajima, S. Tsuji-Iio, H. Tsutsui
    Numerical techniques for parallel dynamics in electromagnetic gyrokinetic Vlasov simulations
    Computer Physics Communications, 184, 2462 (2013)
    
    
23. A. Ishizawa, F. L. Waelbroeck, R. Fitzpatrick, W. Horton, and N. Nakajima
    Magnetic island evolution in hot ion plasmas
    Physics of Plasmas, 19, 072312 (2012)
    
    
24. S. Maeyama, A. Ishizawa, T.-H. Watanabe, N. Nakajima, S. Tsuji-Iio, H. Tsutsui
    A hybrid method of semi-Lagrangian and additive semi-implicit Runge-Kutta schemes for gyrokinetic Vlasov simulations
    Computer Physics Communications, 183, 1986 (2012)
    
    
25. Akihiro ISHIZAWA, Tomo-Hiko WATANABE and Noriyoshi NAKAJIMA
    Gyrokinetic Simulations of Slab Ion Temperature Gradient Turbulence with Kinetic Electrons
    Plasma Fusion Research 6, 2403087 (2011)
    
    
26. Shinya MAEYAMA, Akihiro ISHIZAWA, Tomo-Hiko WATANABE, Noriyoshi NAKAJIMA, Shunji TSUJI-IIO and Hiroaki TSUTSUI
    A Numerical Method for Parallel Particle Motions in Gyrokinetic Vlasov Simulations
    Plasma Fusion Research 6, 2401028 (2011)
    
    
27. M. Janvier, A. Ishizawa, J. Li, and Y. Kishimoto
    Role of the pressure force in the explosive dynamics of magnetic islands in double tearing modes
    Physics of Plasmas, 18, 102112 (2011)
    
    
28. A. Ishizawa and N. Nakajima
    Turbulence driven magnetic reconnection causing long-wavelength magnetic islands
    Physics of Plasmas, 17, 072308 (2010)
    
    
29. A. Ishizawa and P. H. Diamond
    Ion-temperature gradient modes affected by helical magnetic field of magnetic islands
    Physics of Plasmas, Vol. 17, 074503 (2010)
    
    
30. S. Maeyama, A. Ishizawa, T.-H. Watanabe, M. M. Skoric, N. Nakajima, S. Tsuji-Iio, and H. Tsutsui
    Effects of time-varying E×B flow on slab ion-temperature-gradient turbulence
    Physics of Plasmas, Vol. 17, 062305 (2010)
    
    
31. K. Uzawa, A. Ishizawa, and N. Nakajima
    Propagation of magnetic island due to self-induced zonal flow
    Physics of Plasmas, Vol. 17, 042508 (2010)
    
    
32. Ken UZAWA, Akihiro ISHIZAWA and Noriyoshi NAKAJIMA
    Intrinsic Rotation of a Magnetic Island with Finite Width
    Plasma Fusion Research 5, S1016 (2010)
    
    
33. A. Ishizawa and N. Nakajima
    Thermal transport due to turbulence including magnetic fluctuation in externally heated plasma
    Nuclear Fusion, Vol. 49, (2009) 055015
    
    
34. A. Ishizawa and N. Nakajima
    Effect of zonal flow caused by microturbulence on the double tearing mode
    Physics of Plasmas, Vol. 15, (2008) 084504
    
    
35. A. Ishizawa and N. Nakajima
    Multi‐scale interactions among micro‐turbulence, macro‐MHD, and zonal flow
    AIP Conference Proceedings, Vol. 1069, (2008) 110
    
    
36. A. Ishizawa and N. Nakajima
    Multi-scale-nonlinear interactions among micro-turbulence, double tearing instability, and zonal flows,
    Nuclear Fusion, Vol. 47, (2007) 1540.
    
    
37. A. Ishizawa and N. Nakajima
    Excitation of Macro-Magnetohydrodynamic Mode due to Multi-Scale Interaction in a Quasi-Steady Equilibrium Formed by a Balance between Micro-Turbulence and Zonal Flow
    Physics of Plasmas, Vol. 14, (2007) pp. 040702
    
    
38. R. Horiuchi, H. Ohtani and A. Ishizawa
    Towards cross-hierarchy simulation of collisionless driven reconnection in an open system
    Journal of Plasma Physics (2006), 72: 953-956
    
    
39. A. Ishizawa and R. Horiuchi
    Dominant roles of pressure tensors in collisionless magnetic reconnection without a guide field
    Journal of Plasma Physics (2006), 72: 787-790
    
    
40. A. Ishizawa and R. Horiuchi
    Suppression of Hall term effects by gyroviscous cancellation in steady collisionless magnetic reconnection
    Physical Review Letters, Vol. 95, (2005), pp. 045003
    
    
41. Eliezer Hameiri, Akihiro Ishizawa, and Akio Ishida
    Waves in the Hall-magnetohydrodynamics model
    Physics of Plasmas, 12, 072109 (2005)
    
    
42. A. Ishizawa, R. Horiuchi, and H. Ohtani
    Two-scale structure of the current layer controlled by meandering motion during steady-state collisionless driven reconnection
    Physics of Plasmas, Vol. 11, (2004), pp. 3579-3585
    
    
43. A. Ishizawa, R. Horiuchi, and H. Ohtani
    Mass ratio dependence of current layer structure in collisionless driven reconnection collisionless driven reconnection
    Journal of Plasma and Fusion Research, (2004), pp. 287-290
    
    
44. Y. Hattori, R. Rubinstein, A. Ishizawa
    Shell model for rotating turbulence
    Phys. Rev. E 70, 046311 (2004)
    
    
45. A. Ishizawa, M. Sato and M. Wakatani
    Electron inertia effect on m=1 instability in cylindrical tokamak with negative central current
    Physics of Plasmas, Vol. 10, (2003), pp. 3017-3019.
    
    
46. A. Ishizawa, S. Tokuda, M. Wakatani
    Improved Theory of Forced Magnetic Reconnection due to Error Field and Its Application to Seed Island Formation for NTM
    Nuclear Fusion Vol. 41, (2001), pp. 1857-1864.
    
    
47. A. Ishizawa and S. Tokuda
    Improved boundary layer analysis of forced magnetic reconnection due to a boundary perturbation
    Physics of Plasmas, Vol. 7, (2000), pp. 875-882.
    
    
48. A. Ishizawa and S. Tokuda
    Improved Theory of Forced Magnetic Reconnection due to Boundary Perturbation
    Earth Planets Space, Vol. 53, (2001), pp. 447-451.
    
    
49. A. Ishizawa and S. Tokuda
    Forced Magnetic Reconnection due to Boundary Perturbation
    Journal of Plasma and Fusion Research SERIES Vol. 3, (2000), pp. 592-596.
    
    
50. Akihiro Ishizawa and Yuji Hattori
    Large Coherent Structure Formation by Magnetic Stretching Term in Two-Dimensional MHD Turbulence
    Journal of the Physical Society of Japan, Vol. 67, (1998), pp. 4302-4303.
    
    
51. Akihiro Ishizawa and Yuji Hattori
    Wavelet Analysis of Two-Dimensional MHD Turbulence
    Journal of the Physical Society of Japan, Vol. 67, (1998), pp. 441-450.
    
    
52. Akihiro Ishizawa and Tsuguo Takahashi
    Vorticity distribution caused by three-dimensional disturbance in two-dimensional shear flow
    Fluid Dynamics Research, Vol. 21, (1997), pp. 29-46.
    
    
53. Akihiro Ishizawa and Tsuguo Takahashi
    Flow Around a Source Doublet in Shear Flow
    Journal of the Physical Society of Japan, Vol. 65, (1996), pp. 2033-2043.
    
    
54. Akihiro Ishizawa
    Mechanism of Closed Vortex Formation in Shear Flow
    Journal of the Physical Society of Japan, Vol. 65, (1996), pp. 439-449.