Radiation-pressure-induced non-Hermitian skin effect in elastic membranes
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866912990365745152 |
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| author | Lin, Jadon Y. de Sterke, C. Martijn Kuhlmey, Boris T. |
| author_facet | Lin, Jadon Y. de Sterke, C. Martijn Kuhlmey, Boris T. |
| contents | We show that optical forces perpendicular to the direction of the incident light, generated on structures with asymmetric optical scattering, can manipulate longitudinal elastic waves traveling in that same perpendicular direction. When the radiation pressure acts unidirectionally, reciprocity and hence Newton's Third Law are effectively broken. As a result, the waves grow exponentially with position, an instance of the non-Hermitian skin effect. The effect can be enhanced by orders of magnitude to measurable scales in optically dispersive nanostructured membranes. These findings are particularly relevant in the context of lightsails, spacecraft propelled by radiation pressure from high-power lasers. Our discovery showcases a new interaction between radiation pressure and elastic waves, which taps into the rich field of non-Hermitian physics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_29111 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Radiation-pressure-induced non-Hermitian skin effect in elastic membranes Lin, Jadon Y. de Sterke, C. Martijn Kuhlmey, Boris T. Optics We show that optical forces perpendicular to the direction of the incident light, generated on structures with asymmetric optical scattering, can manipulate longitudinal elastic waves traveling in that same perpendicular direction. When the radiation pressure acts unidirectionally, reciprocity and hence Newton's Third Law are effectively broken. As a result, the waves grow exponentially with position, an instance of the non-Hermitian skin effect. The effect can be enhanced by orders of magnitude to measurable scales in optically dispersive nanostructured membranes. These findings are particularly relevant in the context of lightsails, spacecraft propelled by radiation pressure from high-power lasers. Our discovery showcases a new interaction between radiation pressure and elastic waves, which taps into the rich field of non-Hermitian physics. |
| title | Radiation-pressure-induced non-Hermitian skin effect in elastic membranes |
| topic | Optics |
| url | https://arxiv.org/abs/2603.29111 |