%0 Journal Article %J Physical Review B %D 2015 %T Honeycomb phononic crystals with self-similar hierarchy %A Davood Mousanezhad %A Sahab Babaee %A Ranajay Ghosh %A Elsadig Mahdi %A Katia Bertoldi %A Ashkan Vaziri %B Physical Review B %V 92 %P 104304 %G eng