Magnetic correlations in the Hubbard model on triangular and kagome lattices

被引：50
|
作者：
Bulut, N [1 ]
Koshibae, W
Maekawa, S
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 03期
关键词：
D O I：
10.1103/PhysRevLett.95.037001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In order to study the magnetic properties of frustrated metallic systems, we present, for the first time, quantum Monte Carlo data on the magnetic susceptibility of the Hubbard model on triangular and kagome lattices. We show that the underlying lattice structure determines the nature and the doping dependence of the magnetic fluctuations. In particular, in the doped kagome case we find strong short-range magnetic correlations, which makes the metallic kagome systems a promising field for studies of superconductivity.
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页数：4
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