Effect of interchain frustration in quasi-one-dimensional conductors at half-filling

被引：1

作者：

Tsuchiizu, M. ^{[1
]}

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 PHYSICS-CONDENSED MATTER | 2007年 / 19卷 / 14期

关键词：

D O I：

10.1088/0953-8984/19/14/145228

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We examine the effect of frustrated interchain hoppings t(perpendicular to 1) and t(perpendicular to 2) on one- dimensional Mott insulators. By applying an N-perpendicular to- chain twoloop renormalization- group method to the half- filled quasi- one- dimensional Hubbard model, we show that the system remains insulating even for the large t(perpendicular to 1) as far as t(perpendicular to 2) = 0 and vice versa, whereas a metallic state emerges by increasing both interchain hoppings. We also discuss the metallic behaviour suggested in the quasi- one- dimensional organic compound ( TTM- TTP) I3 under high pressure.

引用

页数：6

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