Absolute negative conductivity of graphene in the Hubbard model

被引：1

作者：

Belonenko, M. B. ^{[1
]}

Lebedev, N. G. ^{[2
]}

Shakirzyanov, M. M. ^{[3
]}

Yanyushkina, N. N. ^{[2
]}

机构：

[1] Volgograd Inst Business, Lab Nanotechnol, Volgograd, Russia

[2] Volgograd State Univ, Volgograd, Russia

[3] Kaza Phys Tech Inst, Kazan, Russia

来源：

PHYSICA SCRIPTA | 2010年 / 82卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

ELECTRON CORRELATIONS;

D O I：

10.1088/0031-8949/82/02/025704

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, current-voltage and Ampere-Gauss characteristics are obtained for graphene, at low temperature, using a tight-binding model and taking into account Hubbard interaction. The dependence of obtained characteristics on the frequency of external alternating electromagnetic fields is analyzed, and regions of absolute negative conductivity are found.

引用

页数：5

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