Asymmetric scattering of flexural waves in a parity-time symmetric metamaterial beam

Asymmetric scattering of flexural waves in a parity-time symmetric metamaterial beam

Non-Hermitian parity-time (PT) symmetric systems that possess real eigenvalues have been intensively investigated in quantum mechanics and rapidly extended to optics and acoustics demonstrating a lot of unconventional wave phenomena. Here, a PT symmetric metamaterial beam is designed based on shunte...

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Bibliographic Details
Main Authors: Chen, Y. (Author), Huang, G. (Author), Wu, Q. (Author)
Format: Article
Language:English
Published: Acoustical Society of America 2019
Subjects:
Acoustics
article
Asymmetric scattering
Complex materials
controlled study
Effective material parameters
Effective medium theories
Eigenvalues and eigenfunctions
Elastic waves
Exceptional points
Metamaterials
Numerical approaches
parity
phase transition
Piezoelectric devices
Piezoelectric materials
Piezoelectric patch
Piezoelectricity
Quantum theory
Real time systems
Scattering property
shunting
theoretical study
Transfer matrix method
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