Quantum Field Theoretical Approach to the Electrical Conductivity of Graphene

被引：0

作者：

Klimchitskaya, Galina L. ^{[1
,2
]}

Mostepanenko, Vladimir M. ^{[1
,2
]}

Petrov, Viktor M. ^{[2
]}

机构：

[1] Russian Acad Sci, Cent Astron Observ Pulkovo, St Petersburg 196140, Russia

[2] Peter Great St Petersburg Polytech Univ, Inst Phys Nanotechnol & Telecommun, St Petersburg 195251, Russia

来源：

INTERNET OF THINGS, SMART SPACES, AND NEXT GENERATION NETWORKS AND SYSTEMS, NEW2AN 2016/USMART 2016 | 2016年 / 9870卷

关键词：

Graphene; Electrical conductivity; Polarization tensor; Nanocommunications;

D O I：

10.1007/978-3-319-46301-8_61

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The longitudinal and transverse electrical conductivities of graphene are calculated at both zero and nonzero temperature starting from the first principles of thermal quantum field theory using the polarization tensor in (2+1)-dimensional space-time. An expression for the universal conductivity of graphene found previously using different phenomenological approaches is confirmed. Both exact and approximate asymptotic expressions for the real and imaginary parts of the conductivity of graphene are derived and compared with the results of numerical computations. The obtained results can be used in numerous applications of graphene, such as in optical detectors, transparent electrodes and nanocommunications.

引用

页码：699 / 707

页数：9

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