Publications & Presentations


Publications
  1. S. Ohsaki, and Z. Yoshida Phys. Plasmas 12, 064505 (2005).
    "Variational principle with singular perturbation of Hall magnetohydrodynamics"

  2. S. Ohsaki, Phys. Plasmas 12, 032306 (2005).
    "Hall effect on relaxation process of flowing plasmas"

  3. A. Ito, A. Hirose, S. M. Mahajan, and S. Ohsaki, Phys. Plasmas 11, 5643 (2004).
    "Remarks on the discrete Alfven wave spectrum induced by the Hall current"

  4. A. Hirose, A. Ito, S. M. Mahajan, and S. Ohsaki, Physics Letters A 330, 474 (2004).
    "Relation between Hall-magnetohydrodynamics and the kinetic Alfven wave"

  5. Z. Yoshida, S. M. Mahajan, and S. Ohsaki, Phys. Plasmas 11, 3660 (2004).
    "Scale hierarchy created in plasma flow"

  6. S. Ohsaki and S. M. Mahajan, Phys. Plasmas 11, 898 (2004).
    "Hall current and Alfven wave"

  7. S. Ohsaki and Z. Yoshida, Phys. Plasmas 10, 3853 (2003).
    "Lyapunov function of relaxed states in two-fluid plasmas: Stability of double-Beltrami flows"

  8. Z. Yoshida, S. Ohsaki, A. Ito, and S. M. Mahajan, J. Math. Phys. 44 2168 (2003).
    "Stability of Beltrami flows"

  9. Y. Ogawa, H. Himura, M. Hirota, et al J. Plasma Fusion Res. 5 100 (2002).
    "Research on High-Beta Plasmas Based on Two-Fluid Relaxation Theory"

  10. A. Ito, Z. Yoshida, T. Tatsuno, S. Ohsaki and S. M. Mahajan, Phys. Plasmas 9, 4856 (2002).
    "Kelvin-Helmholtz instability in Beltrami fields"

  11. S. Ohsaki, N. Shatashvili, Z. Yoshida and S. M. Mahajan, Astrophys J. 570, 395 (2002).
    "Energy transformation mechanism in the Solar atmosphere associated with magnetofluid Coupling: Explosive and eruptive events"

  12. S. Ohsaki, N. Shatashvili, Z. Yoshida and S. M. Mahajan, Astrophys J. Lett. 559, L61 (2001).
    "Magnetofluid coupling: Eruptive events in the Solar Corona"

  13. Z. Yoshida, S. M. Mahajan, S. Ohsaki, M. Iqbal and N. Shatashvili, Phys. Plasmas 8, 2125 (2001).
    "Beltrami fields in Plasmas: High-confinement mode boundary layers and high beta equilibria"

  14. S. Ohsaki and Z. Yoshida, Phys. Plasmas 7, 2404 (2000).
    "Shock structure of Beltrami magnetic fields in plasmas"

Presentations
(Japanese Presetations are here)
  1. S. Ohsaki, "Hall effect on turbulence and relaxation process in magneto-fluid plasma"
    International Workshop on Dynamo Generation and Self-organization in Plasma/Fluids Turbulence, Kyushu University, Japan (Feb. 14-15, 2005).

  2. S. Ohsaki, "Hall effect on the Relaxation Process of Flowing Plasmas"
    CIMS Seminars, CIMS, New York University, NY, USA (Dec. 1, 2004).

  3. S. Ohsaki and S. M. Mahajan, "Hall current and Alfven wave"
    Autumn College on Plasma Physics, ICTP, Trieste, Italy (2003).

  4. S. Ohsaki and Z. Yoshida, "Lyapunov Function of Double Beltrami Flows"
    9-th IEA/RFP WS, Tsukuba, Japan, 5-7 March 2003.

  5. S. Ohsaki and Z. Yoshida, "Lyapunov Function of Double Beltrami Flows"
    Workshop on Theoretical Plasma Physics, ICTP, Trieste, Italy (2002).

  6. S. Ohsaki and Z. Yoshida, "Magnetofluid Coupling : Eruptive Events in the Solar Colona"
    Autumn College on Plasma Physics, ICTP, Trieste, Italy (2001).

  7. S. Ohsaki, Z. Yoshida, S.M. Mahajan, "High-beta toroidal equilibrium with a strong shear flow - Double-Beltrami states -"
    US-Japan Work Shop, Osaka, Japan (2001).

  8. S. Ohsaki and Z. Yoshida, "Shock structure of Beltrami magnetic fields in plasmas"
    Autumn College on Plasma Physics, ICTP, Trieste, Italy (1999).

Thesis
  • Doctor "Hall Effect on Equilibrium, Stability and Wave Spectrum of Magneto-Fluid Plasmas" (pdf)

  • Master "Relaxed states in solar corona and high-beta plasmas - Double Beltrami fields -" (pdf)

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