Nonergodic dynamics for an impurity interacting with bosons in tilted lattice
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866909711530459136 |
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| author | Falcão, Pedro R. Nicácio Zakrzewski, Jakub |
| author_facet | Falcão, Pedro R. Nicácio Zakrzewski, Jakub |
| contents | The fate of the single particle immersed in and interacting with a bath of other particles localized in a tilted lattice is investigated. For tilt values comparable to the tunneling rate a slow-down of the dynamics is observed without, however, a clear localization of the impurity. For large tilt and strong interactions the motion of the impurity resembles that in the Kronig-Penney potential. The dynamics depends on the initial distribution of tilted bosons. It shows delocalized dynamics for a regular, density wave like distribution and a localization if tilted bosons are randomly distributed. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2306_06705 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Nonergodic dynamics for an impurity interacting with bosons in tilted lattice Falcão, Pedro R. Nicácio Zakrzewski, Jakub Disordered Systems and Neural Networks Quantum Gases Atomic Physics Quantum Physics The fate of the single particle immersed in and interacting with a bath of other particles localized in a tilted lattice is investigated. For tilt values comparable to the tunneling rate a slow-down of the dynamics is observed without, however, a clear localization of the impurity. For large tilt and strong interactions the motion of the impurity resembles that in the Kronig-Penney potential. The dynamics depends on the initial distribution of tilted bosons. It shows delocalized dynamics for a regular, density wave like distribution and a localization if tilted bosons are randomly distributed. |
| title | Nonergodic dynamics for an impurity interacting with bosons in tilted lattice |
| topic | Disordered Systems and Neural Networks Quantum Gases Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2306.06705 |