Anisotropic AC conductivity of strained graphene

Abstract

The density of states and the AC conductivity of graphene under uniform strain are calculated using a new Dirac Hamiltonian that takes into account the main three ingredients that change the electronic properties of strained graphene: the real displacement of the Fermi energy, the reciprocal lattice strain and the changes in the overlap of atomic orbitals. Our simple analytical expressions of the density of states and the AC conductivity generalizes previous expressions only available for uniaxial strain. The results suggest a way to measure the Gruneisen parameter that appears in any calculation of strained graphene, as well as the emergence of a sort of Hall effect due to shear strain.

In previous version of our work, a term was missing in equation (17). In version 2, the expression for the AC conductivity of graphene under uniform strain (equation (17)) is corrected. (A corrigendum has been sent to J. Phys.: Condens. Matter)

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Cited by in corpus (23)

• Electronic and optical properties of strained graphene and other strained 2D materials: a review
• Generalizing the Fermi velocity of strained graphene from uniform to nonuniform strain
• Valley engineering by strain in Kekulé-distorted graphene
• Effective Dirac Hamiltonian for anisotropic honeycomb lattices: optical properties
• Dynamical Floquet spectrum of Kekulé-distorted graphene under normal incidence of electromagnetic radiation
• Anisotropic effects in two-dimensional materials
• Topological flat bands in time-periodically driven uniaxial strained graphene nanoribbons
• Topological edge states on time-periodically strained armchair graphene nanoribbons
• Dynamical band gap tuning in Weyl semi-metals by intense elliptically polarized normal illumination and its application to $8-Pmmn$ borophene
• Low-energy theory for strained graphene: an approach up to second-order in the strain tensor
• Magneto-optical conductivity of anisotropic two-dimensional Dirac-Weyl materials
• Graphene, Dirac equation and analogue gravity
• Casimir interaction of strained graphene
• Casimir interactions in strained graphene systems
• Spectral butterfly and electronic localization in rippled-graphene nanorribons: mapping onto effective one-dimensional chains
• Fingerprints of a position-dependent Fermi velocity on scanning tunnelling spectra of strained graphene
• Unveiling optical in-plane anisotropy of 2D materials from oblique incidence of light
• Landauer-Büttiker conductivity for spatially-dependent uniaxial strained armchair-terminated graphene nanoribbons
• Coupled Mode Theory of Optomechanical Crystals
• Theory for strained graphene beyond the Cauchy-Born rule
• Effect of resonant impurity scattering of carriers on Drude peak broadening in uniaxially strained graphene
• Impurity induced broadening of Drude peak in strained graphene
• Generation of Half-Integer Harmonics and Efficient THz-to-Visible Frequency Conversion in Strained Graphene