Topological phononics
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | |
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| _version_ | 1866913147950989312 |
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| author | Chen, Zeguo Zhang, Tiantian Wang, Xulong Li, Jiangxu Lin, Zhi-Kang Gao, Feng Wang, Li-Wei Liu, Yizhou Wang, Qi Zhang, Xiujuan Ma, Guancong Chen, Xingqiu Lu, Minghui Chen, Yanfeng Jiang, Jian-Hua |
| author_facet | Chen, Zeguo Zhang, Tiantian Wang, Xulong Li, Jiangxu Lin, Zhi-Kang Gao, Feng Wang, Li-Wei Liu, Yizhou Wang, Qi Zhang, Xiujuan Ma, Guancong Chen, Xingqiu Lu, Minghui Chen, Yanfeng Jiang, Jian-Hua |
| contents | Topological phononics extends the foundational concepts of topological condensed matter physics to the realm of lattice vibrations and classical mechanical waves, unlocking robust, defect-immune states and phenomena beyond the reach of conventional phononic engineering. This review provides a unified, systematic framework for understanding topological phonons across natural and artificial systems, spanning solid-state materials, acoustic/mechanical metamaterials, and non-Hermitian platforms. We cover the core theoretical principles -- from Berry curvature and symmetry-protected topological invariants to bulk-boundary correspondence -- alongside experimental advances in probing topological phonon states via inelastic scattering and momentum-resolved techniques for solid-state phonons as well as pump-probe measurements in acoustic/mechanical metamaterials. Key topics include Weyl/Dirac/nodal-line phonons in crystalline solids, symmetry-engineered topological phases in metamaterials, non-Hermitian effects (exceptional points, skin effect), and emergent directions such as Floquet engineering, synthetic dimensions, and real-space topological textures (skyrmions, merons). We also highlight technological applications in robust waveguides, on-chip surface-acoustic-wave devices, and acoustofluidics, while outlining future challenges and opportunities in quantum phononics, nonlinear topological phenomena, and interdisciplinary integration with photonics and electronics. This review serves as a comprehensive guide across physics, materials science, and engineering, bridging fundamental theory with cutting-edge experiments and innovations in topological phononics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_20900 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Topological phononics Chen, Zeguo Zhang, Tiantian Wang, Xulong Li, Jiangxu Lin, Zhi-Kang Gao, Feng Wang, Li-Wei Liu, Yizhou Wang, Qi Zhang, Xiujuan Ma, Guancong Chen, Xingqiu Lu, Minghui Chen, Yanfeng Jiang, Jian-Hua Materials Science Applied Physics Computational Physics Optics Topological phononics extends the foundational concepts of topological condensed matter physics to the realm of lattice vibrations and classical mechanical waves, unlocking robust, defect-immune states and phenomena beyond the reach of conventional phononic engineering. This review provides a unified, systematic framework for understanding topological phonons across natural and artificial systems, spanning solid-state materials, acoustic/mechanical metamaterials, and non-Hermitian platforms. We cover the core theoretical principles -- from Berry curvature and symmetry-protected topological invariants to bulk-boundary correspondence -- alongside experimental advances in probing topological phonon states via inelastic scattering and momentum-resolved techniques for solid-state phonons as well as pump-probe measurements in acoustic/mechanical metamaterials. Key topics include Weyl/Dirac/nodal-line phonons in crystalline solids, symmetry-engineered topological phases in metamaterials, non-Hermitian effects (exceptional points, skin effect), and emergent directions such as Floquet engineering, synthetic dimensions, and real-space topological textures (skyrmions, merons). We also highlight technological applications in robust waveguides, on-chip surface-acoustic-wave devices, and acoustofluidics, while outlining future challenges and opportunities in quantum phononics, nonlinear topological phenomena, and interdisciplinary integration with photonics and electronics. This review serves as a comprehensive guide across physics, materials science, and engineering, bridging fundamental theory with cutting-edge experiments and innovations in topological phononics. |
| title | Topological phononics |
| topic | Materials Science Applied Physics Computational Physics Optics |
| url | https://arxiv.org/abs/2605.20900 |