Spin dynamics dominated by superexchange via virtual molecules
Fuente:
arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2022
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| _version_ | 1866912501469282304 |
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| author | Lee, Yoo Kyung Lin, Hanzhen Ketterle, Wolfgang |
| author_facet | Lee, Yoo Kyung Lin, Hanzhen Ketterle, Wolfgang |
| contents | Simple, paradigmatic systems are important tools in understanding strongly correlated systems. One such system is the Bose-Hubbard model, which can be realized using atoms in optical lattices with delta-function interactions. We report the first experimental observation of two features of the Bose-Hubbard model: superexchange via virtual molecules in excited bands and off-site contact interactions. Adiabatic sweeps confirm the creation of such molecules, exemplifying a new kind of Feshbach resonance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2208_06054 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Spin dynamics dominated by superexchange via virtual molecules Lee, Yoo Kyung Lin, Hanzhen Ketterle, Wolfgang Atomic Physics Quantum Gases Quantum Physics Simple, paradigmatic systems are important tools in understanding strongly correlated systems. One such system is the Bose-Hubbard model, which can be realized using atoms in optical lattices with delta-function interactions. We report the first experimental observation of two features of the Bose-Hubbard model: superexchange via virtual molecules in excited bands and off-site contact interactions. Adiabatic sweeps confirm the creation of such molecules, exemplifying a new kind of Feshbach resonance. |
| title | Spin dynamics dominated by superexchange via virtual molecules |
| topic | Atomic Physics Quantum Gases Quantum Physics |
| url | https://arxiv.org/abs/2208.06054 |