Dimensionality effect in quasi-one-dimensional mott insulators

被引：0
|
作者：
Tsuchiizu, M. [1 ]
Fuseya, Y.
Suzumura, Y.
Bourbonnais, C.
机构：
[1] Nagoya Univ, Dept Phys, Nagoya, Aichi 4648602, Japan
[2] Univ Sherbrooke, Dept Phys, Sherbrooke, PQ J1K 2R1, Canada
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 2006年 / 142卷 / 3-4期
关键词：
D O I：
10.1007/BF02679591
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We examine the effect of interchain hopping on the quasi-one-dimensional Hubbard model at half filling. Treating interactions within the weak-coupling perturbation theory, we derive two-loop renormalization-group equations for vertices and self energies. It is shown that the Mott gap is suppressed for weak interchain hopping, while it is enhanced for strong interchain hopping.
引用
收藏
页码：651 / 654
页数：4
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