Theoretical research on a vanadium dioxide-based terahertz metamaterial supporting switchable dual functions of broadband absorption and polarization conversionMing Ji, Hongze Li, Danqi Li, Qi Liang, Jinping Tian and Rongcao YangEur. Phys. J. D, 80 5 (2026) 66DOI: https://doi.org/10.1140/epjd/s10053-026-01177-0