2 papers
cond-mat.mtrl-sci2025
Generalized Huang's Equation for Phonon Polariton in Polyatomic Polar Crystal
Weiliang Wang, Ningsheng Xu, Yingyi Jiang +4
The original theory of phonon polariton is Huang's equation which is suitable for diatomic polar crystals only. We proposed a generalized Huang's equation without fitting parameter…
cond-mat.mtrl-sci2024
Hyperbolic phonon polaritons and wave vector direction dependent dielectric tensors in anisotropic crystals
Yue Fang, Huanjun Chen, Zhibing Li +1
Hyperbolic phonon polariton is important in precisely controlling photons at the nanoscale. It was common practice to calculate the dielectric function of the phonon polariton syst…