A New Numerical Method for Scalar Eigenvalue Problems in Heterogeneous, Dispersive, Sign-Changing Materials

Key Points

• The proposed numerical method effectively resolves scalar eigenvalue problems in dispersive materials, enhancing computational efficiency.
• Key performance metric includes improved accuracy and convergence rates in heterogeneous structures across various material types.
• Assessment using numerical simulations demonstrates significant improvements over traditional techniques for analyzing complex materials.
• Highlights the need for further exploration and validation in real-world applications of heterogeneous and sign-changing materials.