Color-selective Mott transition and color superfluid of three-component fermionic atoms with repulsive interaction in optical lattices

被引：5

作者：

Miyatake, Shinya ^{[2
]}

Inaba, Kensuke ^{[3
,4
]}

Suga, Sei-ichiro ^{[1
,2
]}

机构：

[1] Univ Hyogo, Dept Mat Sci & Chem, Himeji, Hyogo 6712280, Japan

[2] Osaka Univ, Dept Appl Phys, Suita, Osaka 5650871, Japan

[3] NTT Corp, NTT Basic Res Labs, Atsugi, Kanagawa 2430198, Japan

[4] CREST, JST, Chiyoda Ku, Tokyo 1020075, Japan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2010年 / 470卷

关键词：

Three-component cold fermionic atoms; Repulsive interaction; Color-selective Mott transition; Color superfluid;

D O I：

10.1016/j.physc.2009.11.162

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We investigate quantum phase transitions of three-component (colors) repulsive fermionic atoms in optical lattices, using dynamical mean field theory. For the isotropic interaction system, a Mott transition occurs at commensurate 1/3 and 2/3 fillings, while the system remains a Fermi liquid at incommensurate other filling. For the anisotropic interaction system, we find that at half-filling there occur a color-selective Mott transition and a color superfluid transition driven by the repulsive interaction. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：S916 / S918

页数：3