TY - JOUR T1 - Simultaneous acoustic perfect absorption and rainbow trapping via topologically optimized sub-wavelength multi-slit sonic crystal metamaterials JO - npj Acoustics UR - https://doi.org/10.1038/s44384-025-00026-5 PY - 2026/01/08 AU - Lam WK AU - Krynkin A AU - Umnova O AU - Tang SK ED - DO - DOI: 10.1038/s44384-025-00026-5 PB - Springer Science and Business Media LLC VL - 2 IS - 1 SP - 2 Y2 - 2026/02/01 ER -