| Budget Amount *help |
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2023: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2022: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2021: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2020: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
To develop an experimental method to study large deviations of non-equilibrium interface fluctuations in the Kardar-Parisi-Zhang (KPZ) universality class, we focused on a version of the numerical scheme called the importance sampling and adapted it to our experimental system. First we tested the validity of the method numerically, by applying it to a solvable model and comparing with exact solutions. We also developed an experimental technique to generate arbitrary initial conditions with randomness in our target system based on liquid-crystal turbulence and marked steps toward real-time analysis of microscope images. We also studied microscopic elementary processes that result in the growth process of interest macroscopically, namely dynamics of topological defect lines, using a relaxation process from the turbulent state.
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