2 papers
physics.app-ph2019
Bidirectional acoustic negative refraction based on a pair of metasurfaces with both local and global PT-symmetries
Jun Lan, Xiaowei Zhang, Liwei Wang +2
Negative refraction plays an important role in acoustic wave manipulation and imaging. However, conventional systems based on acoustic metamaterials suffer from the limits induced…
physics.class-ph2019
Acoustic Multifunctional Logic Gates and Amplifier based on Passive Parity-Time Symmetry
Jun Lan, Liwei Wang, Xiaowei Zhang +2
Acoustic analogue computation and signal processing are of great significance, however, it's challenging to realize the acoustic computing devices because of their limitations of s…