Textured electronic states of the triangular-lattice Hubbard model and NaxCoO2
文献类型：期刊论文
| 作者 | Zhou, S
|
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2014 |
| 卷号 | 90期号:16页码:165135 |
| 关键词 | CORRELATED FERMI SYSTEMS SPIN LIQUIDS SUPERCONDUCTIVITY COO2 |
| ISSN号 | 1098-0121 |
| 通讯作者 | Jiang, K (reprint author), Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA. |
| 英文摘要 | We show that geometric frustration and strong correlation in the triangular-lattice Hubbard model lead a rich phase structure of root 3 x root 3 spin-charge textured electronic states over a wide region of electron doping 0 <= x <= 0.40. In addition to the 120 degrees Neel ordered insulator at half filling, we found a spin charge ordered insulator at x = 1/3 with collinear antiferromagnetic (AF) order on the underlying unfrustrated honeycomb lattice. Separating the two insulating phases is a Lifshitz transition between a noncollinear AF ordered metal and one with coexisting charge order. We obtain the phase diagram and the evolution of the Fermi surface (FS). Remarkably, the correlated ground states near x = 1/3 emerge as doping the "1/3 AF insulator" by excess carriers, leading to electron and hole FS pockets with important implications for the cobaltate superconducting state. |
| 学科主题 | Physics |
| 收录类别 | SCI |
| 资助信息 | DOE [DE-FG02-99ER45747]; NSF [DMR-0704545] |
| 原文出处 | http://dx.doi.org/10.1103/PhysRevB.90.165135 |
| 语种 | 英语 |
| WOS记录号 | WOS:000345631700006 |
| 公开日期 | 2015-06-03 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/15606]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 推荐引用方式 GB/T 7714 | Zhou, S. Textured electronic states of the triangular-lattice Hubbard model and NaxCoO2[J]. PHYSICAL REVIEW B,2014,90(16):165135. |
| APA | Zhou, S.(2014).Textured electronic states of the triangular-lattice Hubbard model and NaxCoO2.PHYSICAL REVIEW B,90(16),165135. |
| MLA | Zhou, S."Textured electronic states of the triangular-lattice Hubbard model and NaxCoO2".PHYSICAL REVIEW B 90.16(2014):165135. |
入库方式： OAI收割
来源：理论物理研究所
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