Budget Amount *help |
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2017: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2016: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2015: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
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Outline of Final Research Achievements |
Odd-frequency pairing is an exotic pairing which has a sign change of the exchange of time of electrons forming Cooper pair. From the theoretical side, we have studied (1)Influence of the impurity scattering in unconventional superconductor / normal metal junctions on the charge transport profile including charge conductance and shot noise (2)Non-local conductance in the superconductor double quantum dot hybrid system (3)Double semiconductor nano-wires on the superconductor from the view point of odd-frequency pairings. Also, we have studied two channel Kondo lattice where bulk odd-frequency gap function is realized. We have calculated tunneling conductance and Josephson current in this model. Experimentally, we have measured a surface impedance of Au/ Sr2RuO4 junctions. We have found anomalous temperature dependence as compared to conventional superconductor Al. We have also developed a suspended normal metal type tunneling junction refrigerator.
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