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Todo Lab
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A lab that uses supercomputers to unravel the complex behavior of fusion plasmas.

AboutAbout the lab
Unraveling the mysteries of plasma through large-scale simulation
The Todo Lab studies nonlinear phenomena in plasmas through large-scale simulations on supercomputers.
A plasma is a collection of many electrically charged particles, and the interaction between the particles and electromagnetic fields gives rise to complex behavior.
The lab's central question is how fast ions and magnetohydrodynamic (MHD) waves interact in magnetically confined fusion plasmas.
The lab is a cooperative chair of the Department of Complexity Science and Engineering, run by researchers from the National Institute for Fusion Science (Toki, Gifu Prefecture).
Key terms
- Nonlinear
- A property in which cause and effect are not proportional. Small differences can grow into large ones, and complex behavior can emerge.
- Fast ion
- An ion in a plasma that moves fast with far more energy than the surrounding particles.
- Magnetohydrodynamic wave
- A wave that propagates together with a magnetic field when a plasma is regarded as an electrically conducting fluid.
ResearchResearch themes
To elucidate and predict nonlinear phenomena in plasmas, the lab carries out large-scale computer simulations that make full use of supercomputers. It also pursues domestic and international collaborative research on many experimental devices, including the Large Helical Device.
View More ↗MembersFaculty
- Visiting ProfessorYasushi Todo
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “LHD plasma vacuum vessel” National Institute for Fusion Science / CC BY-SA 4.0 (cropped)
- Large-Scale Simulation of Nonlinear Plasma Phenomena: “Oak Ridge - Kraken (Cray XT5)” Daderot / Public domain (cropped)
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