2012 Fiscal Year Final Research Report
Quantum Fluctuations and Transport Phenomena in Fermionic Systems with Charge Frustration
| Project/Area Number |
22540372
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Condensed matter physics II
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| Research Institution | Aoyama Gakuin University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
MOTOME Yukitoshi 東京大学, 大学院・工学系研究科, 准教授 (40323274)
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| Project Period (FY) |
2010 – 2012
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| Keywords | フラストレーション / 強相関電子系 / 電荷自由度 / 量子ゆらぎ / 伝導現象 |
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| Research Abstract |
We studied various models representing conduction electrons and chage orderings on geometrically frustrated lattices. We investigated interplay between frustrations and chage degrees of freedom, transport phenomena as well as electronic structures. As a result, we found that anomalous charge-ordered states as well as partially disordered states are formed after quantum critical points or BKT transitions. We clarified that these novel states are stabilized only through frustrated charge degrees of freedom.
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[Journal Article] Chirality of Matter Shows Up via Spin Excitations2012
Author(s)
S. Bordacs, I. Kezsmarki, D. Szaller, L. Demko, N. Kida, H. Murakawa, Y. Onose, R. Shimano, T.Room, U. Nagel, S. Miyahara, N. Furukawa, Y.Tokura
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Journal Title
Nature Physics
Volume: 8
Pages: 734-738
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