Nonlinear multi-state tunneling dynamics in a spinor Bose-Einstein condensate
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arXiv
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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| _version_ | 1866916657364992000 |
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| author | Hardesty-Shaw, Z. N. Guan, Q. Austin-Harris, J. O. Blume, D. Lewis-Swan, R. J. Liu, Y. |
| author_facet | Hardesty-Shaw, Z. N. Guan, Q. Austin-Harris, J. O. Blume, D. Lewis-Swan, R. J. Liu, Y. |
| contents | We present an experimental realization of dynamic self-trapping and non-exponential tunneling in a multi-state system consisting of ultracold sodium spinor gases confined in moving optical lattices. Taking advantage of the fact that the tunneling process in the sodium spinor system is resolvable over a broader dynamic energy scale than previously observed in rubidium scalar gases, we demonstrate that the tunneling dynamics in the multi-state system strongly depends on an interaction induced nonlinearity and is influenced by the spin degree of freedom under certain conditions. We develop a rigorous multi-state tunneling model to describe the observed dynamics. Combined with our recent observation of spatially-manipulated spin dynamics, these results open up prospects for alternative multi-state ramps and state transfer protocols. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_05877 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Nonlinear multi-state tunneling dynamics in a spinor Bose-Einstein condensate Hardesty-Shaw, Z. N. Guan, Q. Austin-Harris, J. O. Blume, D. Lewis-Swan, R. J. Liu, Y. Quantum Gases We present an experimental realization of dynamic self-trapping and non-exponential tunneling in a multi-state system consisting of ultracold sodium spinor gases confined in moving optical lattices. Taking advantage of the fact that the tunneling process in the sodium spinor system is resolvable over a broader dynamic energy scale than previously observed in rubidium scalar gases, we demonstrate that the tunneling dynamics in the multi-state system strongly depends on an interaction induced nonlinearity and is influenced by the spin degree of freedom under certain conditions. We develop a rigorous multi-state tunneling model to describe the observed dynamics. Combined with our recent observation of spatially-manipulated spin dynamics, these results open up prospects for alternative multi-state ramps and state transfer protocols. |
| title | Nonlinear multi-state tunneling dynamics in a spinor Bose-Einstein condensate |
| topic | Quantum Gases |
| url | https://arxiv.org/abs/2306.05877 |