Propagation of two-particle correlations across the chaotic phase for interacting bosons
Fuente:
arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866917918245126144 |
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| author | Dueñas, Óscar Peña, David Rodríguez, Alberto |
| author_facet | Dueñas, Óscar Peña, David Rodríguez, Alberto |
| contents | We analyze the propagation of experimentally relevant two-particle correlations for one-dimensional interacting bosons, and give evidence that many-body chaos induces the emergence of an effective diffusive regime for the fully coherent correlation dynamics, characterized by an interaction dependent diffusion coefficient, which we estimate. This result supports very recent experimental observations, and paves the way towards an efficient description of the dynamical behaviour of non-integrable complex many-body systems. Furthermore, we show that the dynamical features within experimentally accessible time scales of a conveniently defined two-particle correlation transport distance provide a direct and unambiguous characterization of many-body quantum chaos in perfect agreement with its spectral identification. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_10571 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Propagation of two-particle correlations across the chaotic phase for interacting bosons Dueñas, Óscar Peña, David Rodríguez, Alberto Quantum Physics We analyze the propagation of experimentally relevant two-particle correlations for one-dimensional interacting bosons, and give evidence that many-body chaos induces the emergence of an effective diffusive regime for the fully coherent correlation dynamics, characterized by an interaction dependent diffusion coefficient, which we estimate. This result supports very recent experimental observations, and paves the way towards an efficient description of the dynamical behaviour of non-integrable complex many-body systems. Furthermore, we show that the dynamical features within experimentally accessible time scales of a conveniently defined two-particle correlation transport distance provide a direct and unambiguous characterization of many-body quantum chaos in perfect agreement with its spectral identification. |
| title | Propagation of two-particle correlations across the chaotic phase for interacting bosons |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2410.10571 |