| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Outline of Final Research Achievements |
The first target of the project was topological insulator thin films. We focused on the systematic evolution of their topological properties as a function of the thickness of the film. Topological classification depends on the dimensionality of the system. We have highlighted this dimensional crossover through spectral and transport properties of topological insulator and Weyl semimetal thin films.
Toward the end of the project we have also considered non-Hermitian topological insulators. Our work, resolving the issues on the bulk-edge correspondence in this system, gave a proper foundation to a non-Hermitian version of the topological insulator.
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