Magnetic field induced order in quasi-one-dimensional systems

被引：1

作者：

Dzyaloshinskii, I. E. ^{[3
]}

Kats, E. I. ^{[1
,2
]}

机构：

[1] RAS, LD Landau Theoret Phys Inst, Moscow 117940, Russia

[2] Laue Langevin Inst, F-38042 Grenoble, France

[3] Univ Calif Irvine, Dept Phys, Irvine, CA 92697 USA

来源：

PHYSICS LETTERS A | 2012年 / 376卷 / 32期

关键词：

SUPERCONDUCTIVITY TYPE; FERROMAGNETISM; COEXISTENCE;

D O I：

10.1016/j.physleta.2012.05.034

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate possible ordered phases in a magnetic field in quasi-one-dimensional conductors (Q1D). Long ago [I.E. Dzyaloshinskii, E.I. Kats, JETP 28 (1969) 178] we found that sufficiently strong external magnetic field leads to instability of the Fermi state with an arbitrarily weak repulsion between the particles. In the present communication we generalize this idea and provide more details to assign a physical meaning to such a state. We show that without umklapp processes the found instability corresponds to antiferromagnetic (spin density wave) order, whereas umklapp processes favor to Cooper pairing. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：2206 / 2208

页数：3

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