| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
We have investigated theoretically novel quantum phenomena in solids with topologically nontrivial electronic structures. We have predicted the following phenomena, and confirmed a part of them via the collaboration with experimental groups. (1) Giant thermoelectric effect due to Berry phase fluctuation in chiral superconductors. It is noted that the figure of merit of this effect is largest among all previously known superconductors, and thus this finding is important for future applications to thermoelectric devices. We have confirmed this effect experimentally for the heavy fermion superconductor URu2Si2 via the collaboration with the experimental group conducted by Prof. Matsuda in Kyoto University. (2) Emergent electromagnetic phenomena induced by skyrmion-monpole textures in chiral magnets. (3) A novel transport phenomenon in Weyl semimetals with topological defects, which is referred to as torsional chiral magnetic effect.
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