Density-near-zero using the acoustically induced transparency of a Fano acoustic resonator A. Elayouch, M. Addouche, M. Farhat, M. Amin, H. Bağcı and A. Khelif EPL, 116 4 (2016) 46004 Published online: 05 January 2017 DOI: 10.1209/0295-5075/116/46004