Geometrical frustration, power law tunneling and non-local gauge fields from scattered light
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866915855367929856 |
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| author | Popov, Pavel P. Fraxanet, Joana Barbiero, Luca Lewenstein, Maciej |
| author_facet | Popov, Pavel P. Fraxanet, Joana Barbiero, Luca Lewenstein, Maciej |
| contents | Designing the amplitude and range of couplings in quantum systems is a fundamental tool for exploring a large variety of quantum mechanical effects. Here, we consider off-resonant photon scattering processes on a geometrically shaped molecular cloud. Our analysis shows that such a setup is properly modeled by a Bose-Hubbard Hamiltonian where the range, amplitude and sign of the tunneling processes of the scattered photonic modes can be accurately tuned. Specifically, by varying the molecular distribution, we demonstrate that different configurations characterized by geometrical frustration, long-range power law hopping processes, and non-local gauge fields can be achieved. Our results thus represent a powerful and alternative approach to perform an accurate Hamiltonian engineering of quantum systems with non trivial coupling structures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_04330 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Geometrical frustration, power law tunneling and non-local gauge fields from scattered light Popov, Pavel P. Fraxanet, Joana Barbiero, Luca Lewenstein, Maciej Quantum Physics Quantum Gases Designing the amplitude and range of couplings in quantum systems is a fundamental tool for exploring a large variety of quantum mechanical effects. Here, we consider off-resonant photon scattering processes on a geometrically shaped molecular cloud. Our analysis shows that such a setup is properly modeled by a Bose-Hubbard Hamiltonian where the range, amplitude and sign of the tunneling processes of the scattered photonic modes can be accurately tuned. Specifically, by varying the molecular distribution, we demonstrate that different configurations characterized by geometrical frustration, long-range power law hopping processes, and non-local gauge fields can be achieved. Our results thus represent a powerful and alternative approach to perform an accurate Hamiltonian engineering of quantum systems with non trivial coupling structures. |
| title | Geometrical frustration, power law tunneling and non-local gauge fields from scattered light |
| topic | Quantum Physics Quantum Gases |
| url | https://arxiv.org/abs/2502.04330 |