Unidirectional Transverse Scattering in Acoustic Dimers
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Acceso en línea: | |
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| _version_ | 1866914499212083200 |
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| author | Smagin, Mikhail Timankova, Iuliia Pankin, Pavel Li, Yong Petrov, Mihail |
| author_facet | Smagin, Mikhail Timankova, Iuliia Pankin, Pavel Li, Yong Petrov, Mihail |
| contents | We study unidirectional transverse scattering in a two-dimensional acoustic dimer composed of two isotropic subwavelength scatterers. Using a coupled multipole model, we show that inter-particle coupling enables effective monopole-dipole interference and supports a transverse Kerker effect under plane wave excitation. In contrast to a single non-absorbing isotropic particle, where Kerker-type cancellation is only approached in the weak-scattering limit, the dimer can combine pronounced directionality with strong overall scattering. This regime is promising for compact acoustic beam steering and directional wave routing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_20690 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Unidirectional Transverse Scattering in Acoustic Dimers Smagin, Mikhail Timankova, Iuliia Pankin, Pavel Li, Yong Petrov, Mihail Classical Physics Applied Physics We study unidirectional transverse scattering in a two-dimensional acoustic dimer composed of two isotropic subwavelength scatterers. Using a coupled multipole model, we show that inter-particle coupling enables effective monopole-dipole interference and supports a transverse Kerker effect under plane wave excitation. In contrast to a single non-absorbing isotropic particle, where Kerker-type cancellation is only approached in the weak-scattering limit, the dimer can combine pronounced directionality with strong overall scattering. This regime is promising for compact acoustic beam steering and directional wave routing. |
| title | Unidirectional Transverse Scattering in Acoustic Dimers |
| topic | Classical Physics Applied Physics |
| url | https://arxiv.org/abs/2604.20690 |