Closed-form expressions for surface response functions and long-wavelength plasmon dispersions are derived for single to triple layered anisotropic semi-Dirac heterostructures, revealing anisotropic loss functions with distinct in-phase optical and out-of-phase acoustic plasmon branches.
Taking the long wavelength limit, then settingD 2s(q, ω) = 0 in Eq
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Surface Response, Plasma Modes of coated Multi-Layered anisotropic Semi-Dirac Heterostructures
Closed-form expressions for surface response functions and long-wavelength plasmon dispersions are derived for single to triple layered anisotropic semi-Dirac heterostructures, revealing anisotropic loss functions with distinct in-phase optical and out-of-phase acoustic plasmon branches.