%0 Journal Article %A V. Romero-García %A N. Jiménez %A G. Theocharis %A V. Achilleos %A A. Merkel %A O. Richoux %A V. Tournat %A J.-P. Groby %A V. Pagneux %T Design of acoustic metamaterials made of Helmholtz resonators for perfect absorption by using the complex frequency plane %J Comptes Rendus. Physique %D 2020 %P 713-749 %V 21 %N 7-8 %I Académie des sciences, Paris %R 10.5802/crphys.32 %G en %F CRPHYS_2020__21_7-8_713_0