Observation of chiral solitary waves in a nonlinear Aharonov-Bohm ring
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arXiv
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| Auteurs principaux: | , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866909215844466688 |
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| author | Velkovsky, Ivan Abraham, Anya Martello, Enrico Yu, Jiarui Singhal, Yaashnaa Gonzalez, Antonio Lewis, DaVonte Price, Hannah Ozawa, Tomoki Gadway, Bryce |
| author_facet | Velkovsky, Ivan Abraham, Anya Martello, Enrico Yu, Jiarui Singhal, Yaashnaa Gonzalez, Antonio Lewis, DaVonte Price, Hannah Ozawa, Tomoki Gadway, Bryce |
| contents | Nonlinearities can have a profound influence on the dynamics and equilibrium properties of discrete lattice systems. The simple case of two coupled modes with self-nonlinearities gives rise to the rich bosonic Josephson effects. In many-site arrays, nonlinearities yield a wealth of rich phenomena, including a variety of solitonic excitations, the emergence of vortex lattices in the presence of gauge fields, and the general support of chaotic dynamics. Here, we experimentally explore a three-site mechanical ring with tunable gauge fields and nonlinearities. We observe a macroscopic self-trapping transition that is tunable by the magnetic flux, consistent with the equilibrium response. We further observe novel behavior that appears only out of equilibrium, the emergence of interaction-stabilized chiral solitary waves. These results provide a starting point to explore nonlinear phenomena arising in larger mechanical arrays coupled to static and dynamical gauge fields. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_01732 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Observation of chiral solitary waves in a nonlinear Aharonov-Bohm ring Velkovsky, Ivan Abraham, Anya Martello, Enrico Yu, Jiarui Singhal, Yaashnaa Gonzalez, Antonio Lewis, DaVonte Price, Hannah Ozawa, Tomoki Gadway, Bryce Mesoscale and Nanoscale Physics Pattern Formation and Solitons Nonlinearities can have a profound influence on the dynamics and equilibrium properties of discrete lattice systems. The simple case of two coupled modes with self-nonlinearities gives rise to the rich bosonic Josephson effects. In many-site arrays, nonlinearities yield a wealth of rich phenomena, including a variety of solitonic excitations, the emergence of vortex lattices in the presence of gauge fields, and the general support of chaotic dynamics. Here, we experimentally explore a three-site mechanical ring with tunable gauge fields and nonlinearities. We observe a macroscopic self-trapping transition that is tunable by the magnetic flux, consistent with the equilibrium response. We further observe novel behavior that appears only out of equilibrium, the emergence of interaction-stabilized chiral solitary waves. These results provide a starting point to explore nonlinear phenomena arising in larger mechanical arrays coupled to static and dynamical gauge fields. |
| title | Observation of chiral solitary waves in a nonlinear Aharonov-Bohm ring |
| topic | Mesoscale and Nanoscale Physics Pattern Formation and Solitons |
| url | https://arxiv.org/abs/2406.01732 |