Title

Frequency and orientation dependent conductivity of a semi-Dirac system

RIS ID

127346

Publication Details

Sanderson, M., Huang, S., Zhang, Y. & Zhang, C. (2018). Frequency and orientation dependent conductivity of a semi-Dirac system. Journal of Physics D: Applied Physics, 51 (20), 205302-1-205302-5.

Abstract

The intra- and interband optical conductivities of a semi-Dirac system are determined. It was found that the conductivity in the linear direction is considerably stronger than the conductivity in the parabolic direction. For an electrical field applied along a non-principal axis, both the the longitudinal and transverse current are nonzero. Due to the anisotropy of the system, the transverse conductivity for an oblique applied field can exceed the longitudinal conductivity.

Grant Number

ARC/DP160101474

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