Semantic Scholar Open Access 2018 205 sitasi

Experimental Demonstration of Acoustic Chern Insulators.

Yi-fan Zhu Yugui Peng Xudong Fan Jing Yang B. Liang +2 lainnya

Lihat Sumber DOI

Abstrak

We report the experimental realization of an acoustic Chern insulator (ACI), by using an angular-momentum-biased resonator array with the broken Lorentz reciprocity. High Q-factor resonance of the constituent rotors is leveraged to reduce the required rotation speed. ACI is a new topological acoustic system analogous to the electronic quantum Hall insulator, based on an effective magnetic field. Experimental results show that the ACI featured with a stable and uniform metafluid flow bias supports one-way nonreciprocal transport of sound at its edges, which is topologically immune to various types of defects. Our work opens up opportunities for exploring unique observable topological phases and developing topological-insulator-based nonreciprocal devices in acoustics.

Topik & Kata Kunci

Physics Medicine

Penulis (7)

Yi-fan Zhu

Yugui Peng

Xudong Fan

Jing Yang

B. Liang

Xue‐Feng Zhu

Jian-chun Cheng

Format Sitasi

APA MLA BibTeX

Zhu, Y., Peng, Y., Fan, X., Yang, J., Liang, B., Zhu, X. et al. (2018). Experimental Demonstration of Acoustic Chern Insulators.. https://doi.org/10.1103/PhysRevLett.122.014302

Akses Cepat

Lihat di Sumber doi.org/10.1103/PhysRevLett.122.014302

Informasi Jurnal

Tahun Terbit: 2018
Bahasa: en
Total Sitasi: 205×
Sumber Database: Semantic Scholar
DOI: 10.1103/PhysRevLett.122.014302
Akses: Open Access ✓