Topological Effects of a Vorticity Filament on the Coherent Backscattering Cone
| Type of Publication: | Journal article |
| Publication status: | Published |
| Author: | Aubry, Geoffroy J.; Roux, Philippe |
| Year of publication: | 2018 |
| Published in: | Physical Review Letters ; 123 (2018), 3. - 035503. - ISSN 0031-9007. - eISSN 1079-7114 |
| ArXiv-ID: | arXiv:1811.00800v2 |
| DOI (citable link): | https://dx.doi.org/10.1103/PhysRevLett.123.035503 |
| Summary: |
In this Letter, we report on the effects of a vorticity filament on the coherent backscattering cone. Using ultrasonic waves in a strongly reverberating cavity, we experimentally show that the discrete number of loops of acoustic paths around a pointlike vortex located at the center of the cavity drives the cancellation and the potential rebirth of the coherent backscattering enhancement. The vorticity filament behaves, then, as a topological anomaly for wave propagation that provides some new insight between reciprocity and weak localization.
|
| Subject (DDC): | 530 Physics |
| Refereed: | Yes |
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AUBRY, Geoffroy J., Philippe ROUX, 2018. Topological Effects of a Vorticity Filament on the Coherent Backscattering Cone. In: Physical Review Letters. 123(3), 035503. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.123.035503
@article{Aubry2018-11-02T09:57:34ZTopol-46645, title={Topological Effects of a Vorticity Filament on the Coherent Backscattering Cone}, year={2018}, doi={10.1103/PhysRevLett.123.035503}, number={3}, volume={123}, issn={0031-9007}, journal={Physical Review Letters}, author={Aubry, Geoffroy J. and Roux, Philippe}, note={Article Number: 035503} }
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