Probing non-Gaussian correlations through entanglement generation in a many-body quantum system
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arXiv
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| Format: | Preprint |
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2025
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| author | van de Kraats, J. Ahmed-Braun, D. J. M. Colussi, V. E. Kokkelmans, S. J. J. M. F. |
| author_facet | van de Kraats, J. Ahmed-Braun, D. J. M. Colussi, V. E. Kokkelmans, S. J. J. M. F. |
| contents | In understanding strongly correlated quantum systems, quantifying the non-Gaussian nature of interparticle correlations is invaluable. We show that, for a uniform quantum gas, there exists a natural connection between non-Gaussian correlations and the generation of momentum-space entanglement. Furthermore, this entanglement can be directly measured in an experiment using time-of-flight techniques. To prototype our method, we numerically study entanglement generation in a degenerate Bose gas following a quench to the unitary regime, where Gaussian and non-Gaussian correlations are generated sequentially in time. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_16200 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Probing non-Gaussian correlations through entanglement generation in a many-body quantum system van de Kraats, J. Ahmed-Braun, D. J. M. Colussi, V. E. Kokkelmans, S. J. J. M. F. Quantum Gases Quantum Physics In understanding strongly correlated quantum systems, quantifying the non-Gaussian nature of interparticle correlations is invaluable. We show that, for a uniform quantum gas, there exists a natural connection between non-Gaussian correlations and the generation of momentum-space entanglement. Furthermore, this entanglement can be directly measured in an experiment using time-of-flight techniques. To prototype our method, we numerically study entanglement generation in a degenerate Bose gas following a quench to the unitary regime, where Gaussian and non-Gaussian correlations are generated sequentially in time. |
| title | Probing non-Gaussian correlations through entanglement generation in a many-body quantum system |
| topic | Quantum Gases Quantum Physics |
| url | https://arxiv.org/abs/2501.16200 |