| Project/Area Number |
26400339
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Condensed matter physics II
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| Research Institution | Okinawa Institute of Science and Technology Graduate University |
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Principal Investigator |
Jaubert Ludovic 沖縄科学技術大学院大学, 量子理論ユニット, 研究員 (10727209)
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| Co-Investigator(Kenkyū-buntansha) |
宇田川 将文 学習院大学, 理学部, 准教授 (80431790)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | frustrated magnetism / spin ice / spin liquid / topological defects / spin liquids / topological charges / magneto-electric / out-of-equilibrium |
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| Outline of Final Research Achievements |
One of the main motivation of modern research in Condensed Matter is to understand and control the unconventional properties of magnetic materials. Sometimes, the interaction between atoms is "frustrated", unable to accommodate all atoms at the same time, creating a competition at the microscopic level. An increasingly large variety of magnets appear to be "frustrated", each of them with their own exotic peculiarities. Our motivation in this project has been to go beyond the traditional theoretical models of magnetic frustration considering relevant, more complex, interactions. We have found, among other things, a surprisingly rich physics out of equilibrium in a family of rare-earth crystals, and low-temperature magnetic phases where microscopic local rules lead to extended fractal structures, opening new directions on how to control topological defects in magnets.
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