Nanjing University Basic Principle Considering the bound electron with resonance frequency@o e.g.geometric boundary,interband transition,or other forces... It is more popular case in real metallic system mx+myx+moox=-eE oj c(0)=I+o-@-iy@ Lorentz Model Dielectric Superlattice Laboratory Nat.Lab.Microstructures Dr.Tao Li taoli@nju.edu.cnNanjing University Considering the bound electron with resonance frequencyω0 e.g g y, , . geometric boundary, interband transition, or other forces… It is more popular case in real metallic system mm m e 0 && & x x xE + γ + =− ω 2 2 2 0 () 1 P i ω ε ω ω ω γω = + − − Lorentz Model Dielectric Superlattice Laboratory Nat. Lab. Microstructures Dr. Tao Li taoli@nju.edu.cn