Unconventional strong coupling superconductivity in the quasiperiodic systems: nonperturbative approach
Project/Area Number |
17K05536
|
Research Category |
Grant-in-Aid for Scientific Research (C)
|
Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Condensed matter physics II
|
Research Institution | Tokyo Institute of Technology |
Principal Investigator |
Koga Akihisa 東京工業大学, 理学院, 准教授 (90335373)
|
Project Period (FY) |
2017-04-01 – 2023-03-31
|
Project Status |
Completed (Fiscal Year 2022)
|
Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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Keywords | 準結晶 / 磁性 / 六回対称黄金比タイル / ペンローズ格子 / 計算物理 / 超伝導 |
Outline of Final Research Achievements |
Strong electron correlations in the quasiperiodic systems have attracted much interest. To clarify this, we have treated the Penrose tiling as a simple example of the two dimensional bipartite lattice and studied the magnetism characteristic of the quasiperiodic lattice in the real and perpendicular space. The Ammann-Beenker and Socolar dodecagonal tilings have also been treated and we have clarified the confined states and magnetic properties in these systems.
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Academic Significance and Societal Importance of the Research Achievements |
量子力学的粒子集団の一つである電子系において、準周期構造がもたらす新奇な強相関物性に注目した。強相関系における準周期性の役割については、これまで理論的な取り扱いがあまりなく、系統的な解析が求められていた。二次元準周期系を系統的に取り扱った本研究により、準周期系特有の物性について一部明らかとなり、今後の準結晶における物性研究につながるものと考えられる。
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Report
(7 results)
Research Products
(74 results)