Theoretical study on control of electronic states in low-dimensional molecular conductors

2016 Fiscal Year Final Research Report

• Project/Area Number: 25400370
• 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: Nara Women's University
• Principal Investigator: Yoshioka Hideo 奈良女子大学, 自然科学系, 教授 (40252225)
• Co-Investigator(Renkei-kenkyūsha): TERAO Haruhiko 奈良女子大学, 自然科学系, 教授 (40192653)
• Project Period (FY): 2013-04-01 – 2017-03-31
• Keywords: 分子性固体 / 電荷秩序 / 量子ゆらぎ / くりこみ群 / 中性‐イオン性転移 / 酸化物 / 高温超伝導 / フラーレンポリマー

Outline of Final Research Achievements

We investigated the electronic states of low dimensional strongly correlated electron system, such as molecular conductors, inorganic oxides and graphene related materials, by using various theoretical methods. In addition, we explored the possibility for control of the various states by the external fields. For example, we succeeded in explaining the discrepancy between TTF[Co(Pc)CN2]2 and TTF[Fe(Pc)CN2]2 in the magnitude of resistivity and in the sign of magnetoresistance. In addition, we developed the improved renormalization group method and applyed it to high-Tc cuprate superconductors and Ruthenium oxides. We obtained many results which can explain the experimantal observations.

Free Research Field

物性理論