Existence of an incommensurate ground state of interacting spinless fermions in infinite dimensions

被引：5

作者：

Uhrig, G. S. ^{[1
]}

Vlaming, R. ^{[2
]}

机构：

[1] Univ Cologne, Inst Theor Phys, D-50937 Cologne, Germany

[2] UvA, Inst Theor Fys, NL-1018 XE Amsterdam, Netherlands

来源：

PHYSICA B-CONDENSED MATTER | 1995年 / 206卷

关键词：

D O I：

10.1016/0921-4526(94)00559-E

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We focus on the ground state phase diagram of a system of spinless fermions with repulsion on a hypercubic lattice in the limit of infinite dimensions. Spontaneous symmetry breaking into a charge density wave (CDW) occurs. Using an ansatz for the order parameter which includes the homogeneous, the AB and a large class of incommensurate phases we are able to calculate the phase diagram.

引用

页码：694 / 697

页数：4

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