Angle-dependent magneto-resistance in the quasi-one-dimensional system

被引：0

作者：

Kishigi, Keita ^{[1
]}

Funatsu, Hideki ^{[1
]}

Kaneyasu, Hirono ^{[1
]}

Hasegawa, Yasumasa ^{[1
]}

机构：

[1] Kumamoto Univ, Fac Educ, Kumamoto 8608555, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期

关键词：

quasi-one-dimension; magneto-resistance; magic angle;

D O I：

10.1016/j.jmmm.2006.10.286

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In quasi-one-dimensional organic conductors such as (TMTSF)(2)X (X = ClO4, PF6, ReO4, CtO, the dips in the resistances along the most conducting axis (p(zz)) and the inter-chain axis (p(zz)) are observed at the so-called magic angles. Although the dips in p,(zz) have been explained in terms of the commensurate semi-classical orbits in the momentum space, the origin of the large dips in p(xx) at magic angles is not clear. We study the angle-dependence of the conductivity along the most conducting axis, sigma(xx), by using a model neglecting electron correlation. We obtain that sigma(xx) has small peaks at magic angles if we take account of the momentum-dependence of the Fermi velocity. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：E329 / E331

页数：3

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