Dyadic Green's Functions and Guided Surface Waves for a Surface Conductivity Model of Graphene
作者： George W. Hanson
DOI: 10.1063/1.2891452
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摘要: An exact solution is obtained for the electromagnetic field due to an electric current in presence of a surface conductivity model graphene. The graphene represented by infinitesimally-thin, local and isotropic two-sided surface. terms dyadic Green's functions as Sommerfeld integrals. plane-wave reflection transmission presented, wave propagation along studied via poles For isolated characterized complex conductivity, proper transverse-electric (TE) exists if only imaginary part positive (associated with interband conductivity), transverse-magnetic (TM) when negative intraband conductivity). By tuning chemical potential at infrared frequencies, sign can be varied, allowing some control over properties.
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