An acoustic bending waveguide designed by anisotropic density-near-zero metamaterial
Yang-Yang Wang(王洋洋), Er-Liang Ding(丁二亮), Xiao-Zhou Liu(刘晓宙), Xiu-Fen Gong(龚秀芬)
Chin. Phys. B . 2016, (12): 124305 -124305 .  DOI: 10.1088/1674-1056/25/12/124305