Nodal quasiparticles in stripe ordered superconductors

被引：34

作者：

Granath, M ^{[1
]}

Oganesyan, V

Kivelson, SA

Fradkin, E

Emery, VJ

机构：

[1] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90095 USA

[2] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[3] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.87.167011

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the properties of a quasi-one-dimensional superconductor which consists of an alternating array of two inequivalent chains. This model is a simple caricature of a striped high temperature superconductor, and is more generally a theoretically controllable system in which the superconducting state emerges from a non-Fermi-liquid normal state. Even in this lit-nit, "d-wave-like" order parameter symmetry is natural, but the superconducting state can either have a complete gap in the quasiparticle spectrum, or gapless "nodal" quasiparticles. We also find circumstances in which antiferromagnetic order (typically incommensurate) coexists with superconductivity.

引用

页码：1 / 167011

页数：4

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