THEORY OF THE QUANTUM HALL-EFFECT IN QUASI-ONE-DIMENSIONAL CONDUCTORS

被引：0

作者：

YAKOVENKO, VM

机构：

[1] L.D. Landau Institute for Theoretical Physics, Chernogolovka, Moscow region

来源：

SYNTHETIC METALS | 1991年 / 43卷 / 1-2期

关键词：

D O I：

10.1016/0379-6779(91)91310-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The integer topological invariant, called Chern number, is calculated for a quasi-one-dimensional conductor in the magnetic-field-induced spin-density-wave state. Due to nonzero value of the Chern number the Hall conductivity per layer has the quantized value sigma-xy = 2Le2/h and the effective action of the system contains so-called Hopf term, which describes topologically nontrivial configurations of the spin-density-wave polarization vector. The dependence of the integer number L on magnetic field H is calculated in the parquet approximation. The theory is applied to the organic conductors (TMTSF)2X.

引用

页码：3389 / 3392

页数：4

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