Publications

1. "Stability Analysis of Time Stepping for Prolonged Plasma Fluid Simulations"
   L. Stals, R. Numata, R. Ball, submitted to SIAM Journal for Scientific Computing (2007)
2. "Bifurcation in electrostatic resistive drift wave turbulence"
   R. Numata, R. Ball, R.L. Dewar, Physics of Plasmas 14, 102312 (2007) PDF
3. "Nonlinear Simulation of Drift Wave Turbulence"
   R. Numata, R. Ball, R.L. Dewar,
   in "Frontiers in Turbulence and Coherent Structures" [Proceedings of the COSNet/CSIRO Workshop] (World Scientific, 2007, eds. J.P. Denier and J.S. Frederiksen), pp. 431-442
   E-Print: arXiv:physics/0703274v1
4. "Numerical analysis on the contribution of the singular perturbation by the Hall term to the spectrum of MHD turbulence using a shell model"
   D. Hori, M. Furukawa, S. Ohsaki, R. Numata, Z. Yoshida, Journal of Plasma Physics 72, 965 (2007)
5. "Two-fluid Nonlinear Simulation of Self-organization of Plasmas with Flows"
   R. Numata, Z. Yoshida, T. Hayashi, Journal of Plasma and Fusion Research SERIES 6, 130 (2004) [Proceedings of ITC13] PDF
6. "Nonlinear three-dimensional simulation for self-organization and flow generation in two-fluid plasmas"
   R. Numata, Z. Yoshida, T. Hayashi, Computer Physics Communications 164, 291 (2004) [Proceedings of 18th ICNSP] PDF
7. "Chaos-induced resistivity in magnetic null region: A nonlinear mechanism of collisionless dissipation"
   R. Numata, Z. Yoshida, Physical Review E 68, 016407 (2003) PDF
8. "Chaos-Induced Resistivity in Collisionless Magnetic Reconnection"
   R. Numata, Z. Yoshida, Physical Review Letters, 88, 045003 (2002) PDF
9. "Chaos-Induced Resistivity in Collisionless Magnetic Reconnection"
   R. Numata, Z. Yoshida, Journal of Plasma and Fusion Research, 78, 1077 (2002) PDF [in Japanese]

Thesis

Doctor : Ph. D. (Frontier Science)

"Nonlinear Processes in Two-Fluid Plasmas"
directed by Professor Z. Yoshida
Thesis : PDF / Abstract : PDF [in Japanese] / Presentation Material : PDF

Master : Master of Engineering

"Collisionless Magnetic Reconnection Induced by Chaotic Motion of Particles"
directed by Professor Z. Yoshida and Professor Y. Ogawa
Thesis : PDF / Abstract : PDF [in Japanese]

Bachelor : Bachelor of Engineering

"Evaluation of AC loss of HTSC Superconducting Flywheel"
directed by Professor K. Miya and Instructor K. Demachi
Thesis : PDF [in Japanese] / Abstract : PDF [in Japanese]

Presentations

• Joint Conference of 17th International Toki Conference on Physics of Flows and Turbulence in Plasmas and 16th International Stellarator/Heliotron Workshop 2007, Toki, Japan (October, 2007)
  "Onset of Turbulence in a Drift Wave-Zonal Flow System"
  R. Numata, R. Ball, R.L. Dewar, L. Stals
  Poster / Proceedings / Abstract
• 8th Asia-Pacific Complex Systems Conference, Gold Coast, Australia (July, 2007)
  "Bifurcation in Resistive Drift Wave Turbulence"
  R. Numata, R. Ball, R.L. Dewar, L. Stals
  Talk
• Australian Workshop on Fluid Mechanics, Melbourne, Australia (December, 2006)
  "Bifurcation in Resistive Drift Wave Turbulence"
  R. Numata, R. Ball, R.L. Dewar
  Poster
• AIP 17th National Congress, Brisbane, Australia (December, 2006)
  "Bifurcation Structure in Resistive Drift Wave Turbulence"
  R. Numata, R. Ball, R.L. Dewar
  Talk
• 48th Annual Meeting of Division of Plasma Physics, APS, Philadelphia, USA (October-November, 2006)
  "Bifurcation Structure in Resistive Drift Wave Turbulence"
  R. Numata, R. Ball, R.L. Dewar
  Bulletin of the American Physical Society 51, VO1-7 (2006)
  Talk
• 33rd EPS Conference on Plasma Physics, Rome, Italy (June, 2006)
  "Bifurcation Structure in Resistive Drift Wave Turbulence"
  R. Numata, R. Ball, R.L. Dewar
  Poster / Proceedings / Abstract
• Workshop on Long Time Simulations of Kinetic Plasmas, Dallas, USA (April, 2006)
  "Simulation of Hasegawa-Wakatani Equation"
  R. Numata, R. Ball, R.L. Dewar
• 14th Gaseous Electronics Meeting (GEM 2006), Murramarang, Australia (February, 2006)
  "Nonlinear Simulation of Drift Wave Turbulence"
  R. Numata, R. Ball, R.L. Dewar
  Talk
• CSIRO/COSNet Workshop on Turbulence and Coherent Structures, Canberra, Australia (January, 2006)
  "Nonlinear Simulation of Drift Wave Turbulence"
  R. Numata, R. Ball, R.L. Dewar
  Talk
• Festival de Théorie, Aix-en-Provence, France (July, 2005)
  "Hall-MHD Simulation of Collisionless Magnetic Reconnection with Chaos-Induced Resistivity"
  R. Numata, Z. Yoshida, T. Hayashi, M. Furukawa
• 9th Simulation Science Symposium, Toki, Japan (January, 2005)
  "Simulation of Structure Formation in Two-Fluid Plasmas"
  R. Numata, M. Furukawa, Z. Yoshida, T. Hayashi
• JSPF Annual Meeting, Shizuoka, Japan (November, 2004) [invited]
  "Simulation of Structure Formation in Two-Fluid Plasmas"
  R. Numata, M. Furukawa, Z. Yoshida, T. Hayashi
• JPS Meeting, Aomori Univ., Japan (September, 2004)
  "Two-fluid Simulation of Magnetic Reconnection"
  R. Numata, Z. Yoshida, T. Hayashi
  Talk
• JPS Meeting, Kyushu Univ., Japan (March, 2004)
  "Nonlinear Simulation of Plasmas with Flows - Creation of Double Beltrami Equilibrium"
  R. Numata, Z. Yoshida, T. Hayashi
  Talk
• 13th International Toki Conference on Plasma Physics and Controlled Nuclear Fusion, Toki, Japan (December, 2003)
  "Two-Fluid Nonlinear Simulation of Self-Organization of Plasmas with Flows"
  R. Numata, Z. Yoshida, T. Hayashi
  Talk
• Autumn College on Plasma Physics, Trieste, Italy (October - November, 2003)
  "Nonlinear Simulation of Self-Organization of Plasmas with Flows"
  R. Numata, Z. Yoshida, T. Hayashi
• 18th International Conference on Numerical Simulation of Plasmas, Cape Cod, USA (September, 2003)
  "Self-Organization of Plasmas with Flows"
  R. Numata, Z. Yoshida, T. Hayashi
  Talk
• JPS Meeting, Tohoku Univ., Japan (March, 2003)
  "Self-Organization of Plasma with Flows"
  R. Numata, Z. Yoshida, T. Hayashi
  Talk [in Japanese]
• Workshop on Plasma Astrophysics, Trieste, Italy (November, 2002)
  "Chaos-Induced Resistivity in Collisionless Magnetic Reconnection"
  R. Numata, Z. Yoshida
• JPS Meeting, Chubu Univ., Japan (September, 2002)
  "Chaos-Induced Resistivity in Collisionless Magnetic Reconnection (Entropy of Open System)"
  R. Numata, Z. Yoshida
• JPS Meeting, Ritsumeikan Univ., Japan (March, 2002)
  "Chaos-Induced Resistivity in Collisionless Magnetic Reconnection"
  R. Numata, Z. Yoshida
• 5th Simulation Science Symposium, Toki, Japan (December, 2001)
  "Chaos-Induced Resistivity in Collisionless Magnetic Reconnection"
  R. Numata, Z. Yoshida
• Autumn College on Plasma Physics, Trieste, Italy (October - November, 2001)
  "Chaos-Induced Resistivity in Collisionless Magnetic Reconnection"
  R. Numata, Z. Yoshida
• JPS Meeting, Tokushima Bunri Univ., Japan (September, 2001)
  "Collision-less Resistivity Induced by Chaotic Motion of Particles in a Reconnection Layer"
  R. Numata, Z. Yoshida
• JPS Meeting, Chuo Univ., Japan (March, 2001)
  "Chaotic Motion of Particles and Collision-less Anomalous Resistivity in a Magnetic Reconnection Process"
  R. Numata, Z. Yoshida
• JPS Meeting, Niigata Univ., Japan (September, 2000)
  "Application of electron's chaotic motion (electron injection into a helical system)"
  R. Numata, Z. Yoshida
• JPS Meeting, Kansai Univ., Japan (March, 2000)
  "Chaotic dynamics of charged particles in 2-dimensional magnetic field"
  R. Numata, Z. Yoshida

And some others

• CMPD & CMSO Winter School 2008, USA (January, 2008)
• COSNet/ANZIAM ACT Workshop on Theory and Modelling of Complex Phenomena in Plasmas and Fluids, Canberra, Australia (December, 2006)
• COSNet Member Forum, Canberra, Australia (November, 2006)
• Australian ITER Forum Workshop, Manly, Australia (October, 2006)
• 19th Canberra International Summer School on Turbulence, Canberra, Australia (January, 2006)
• AIP 16th Biennial Congress 2005, Canberra, Australia (January, 2005)
• 6th Simulation Science Symposium, Toki, Japan (December, 2002)
• IIAS Workshop on Creation and Sustainment of Diversity, Kyoto, Japan (August, 2000; August, 2001; August, 2002; August 2003)

Links to Relevant Sites

• Institutes and Organizations
• Division of Plasma Science, The University of Tokyo, Japan
• National Institute for Fusion Science, Japan
• The Abdus Salam International Center for Theoretical Physics (ICTP), Italy
• International Institute for Advanced Studies, Japan
• Center for Multiscale Plasma Dynamics, University of Maryland, College Park, USA
• Center for Magnetic Self-Organization in Laboratory and Astrophysical Plasmas, USA
• Department of Theoretical Physics, Research School of Physical Sciences and Engineering, The Australian national Univesity, Australia
• Societies
• The Physical Society of Japan (JPS)
• The Japan Society of Plasma Science and Nuclear Fusion Research (JSPF)
• The Australian Institute of Physics
• ARC Complex Open Systems Research Network, Australia
• Plasma Physics Division, European Physical Society (EPS)
• Australian ITER Forum
• Division of Plasma Physics, American Physical Society (APS)
• Journals
• APS Journals
• AIP Journals
• Elsevier Science Direct
• Journal of Plasma and Fusion Research
• Cambridge Journals Online
• SIAM Journals
• arXiv.org