An acoustic bending waveguide designed by anisotropic density-near-zero metamaterial
Wang Yang-Yang1, Ding Er-Liang1, Liu Xiao-Zhou1, 2, †, 
, Gong Xiu-Fen1
, Gong Xiu-Fen1 Pressure field distributions in a “T”-shape channel filled with ADNZ metamaterial with (a) an ideal soft defect in the above ADNZ metamaterial, (b) an ideal soft defect in the below ADNZ metamaterial, (c) two defects in both ADNZ metamaterials.
