Longitudinal conductivity of a three-dimensional Dirac electron gas in magnetic field

被引：4
|
作者：
Proskurin, Igor [1 ,2 ]
Ogata, Masao [1 ]
Suzumura, Yoshikazu [3 ]
机构：
[1] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[2] Ural Fed Univ, Inst Nat Sci, Ekaterinburg 620083, Russia
[3] Nagoya Univ, Dept Phys, Nagoya, Aichi 4648602, Japan
来源：
INTERNATIONAL WORKSHOP ON DIRAC ELECTRONS IN SOLIDS 2015 | 2015年 / 603卷
关键词：
D O I：
10.1088/1742-6596/603/1/012009
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We discuss a conductivity of a three-dimensional gas of Dirac electrons in the direction of magnetic field in high magnetic fields. Analytical expressions for the zero temperature conductivity are calculated in the linear response theory using the basis of relativistic Landau levels. The impurity scattering is treated in the self-consistent Born approximation which gives Landau level broadening increasing linearly in magnetic field. We demonstrate that in the special case of zero-gap Dirac semimetal this leads to the magnetic field and temperature independent conductivity in high magnetic field limit.
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页数：12
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