Chirality-switchable acoustic vortex emission via non-Hermitian selective excitation at an exceptional point.

Liu, Tuo; An, Shuowei; Gu, Zhongming; Liang, Shanjun; Gao, He; Ma, Guancong; Zhu, Jie

Liu, Tuo; An, Shuowei; Gu, Zhongming; Liang, Shanjun; Gao, He; Ma, Guancong; Zhu, Jie.

Afiliação

Liu T; Key Laboratory of Noise and Vibration Research, Institute of Acoustics, Chinese Academy of Sciences, Beijing 100190, China; Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong, China; The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518057,
An S; Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong, China.
Gu Z; Institute of Acoustics, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China.
Liang S; Division of Science, Engineering and Health Studies, College of Professional and Continuing Education, The Hong Kong Polytechnic University, Hong Kong, China.
Gao H; Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong, China; The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen 518057, China.
Ma G; Department of Physics, Hong Kong Baptist University, Hong Kong, China.
Zhu J; Institute of Acoustics, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China. Electronic address: jiezhu@tongji.edu.cn.

Sci Bull (Beijing) ; 67(11): 1131-1136, 2022 Jun 15.

Article em En | MEDLINE | ID: mdl-36545979

Palavras-chave

Acoustic metamaterials; Acoustic orbital angular momentum; Exceptional points; Non-Hermitian acoustics; Parity-time symmetry

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Sci Bull (Beijing) Ano de publicação: 2022 Tipo de documento: Article País de publicação: Holanda

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