Antichiral Phononic Crystal

One-way sound transport

Realizes antichiral zeroth Landau levels in type-II Weyl phononic crystals, with unidirectional sound transport opposite to conventional chirality.

Huang, Xueqin · Wu, Jien · Lu, Jiuyang · Liu, Zhengyou

Physical Review Letters 2023

Advantages

Experimentally demonstrates chirality flip of zeroth Landau levels

Generates pseudomagnetic fields via geometric deformation