Twist projected two dimensional acoustic topological insulators
This work was supported by the National Key R&D Program of China (2017YFA0303702) by the National Natural Science Foundation of China (Grants No. 11634005, No. 11674155, No. 11604143, and No. 11621091) and partiallyby the "333 project" from Jiangsu Province (BRA2016350) Y.W. was supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR 2016 CRG5 2950)
Physical Review B