A compact and fast magnetic coil for the interaction manipulation of quantum gases with Feshbach resonances
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2021
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| _version_ | 1866913025422786560 |
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| author | Kell, A. Link, M. Breyer, M. Hoffmann, A. Köhl, M. Gao, K. |
| author_facet | Kell, A. Link, M. Breyer, M. Hoffmann, A. Köhl, M. Gao, K. |
| contents | Cold atom experiments commonly use broad magnetic Feshbach resonances to manipulate the interaction between atoms. In order to induce quantum dynamics by a change of the interaction strength, rapid ($\simμs$) magnetic field changes over several tens of Gauss are required. Here we present a compact design of a coil and its control circuit for a change of the magnetic field up to $36G$ in $3μs$. The setup comprises two concentric solenoids with minimal space requirements, which can be readily added to existing apparatuses. This design makes the observation of non-equilibrium physics with broad Feshbach resonances accessible. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2103_05273 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | A compact and fast magnetic coil for the interaction manipulation of quantum gases with Feshbach resonances Kell, A. Link, M. Breyer, M. Hoffmann, A. Köhl, M. Gao, K. Quantum Gases Atomic Physics Cold atom experiments commonly use broad magnetic Feshbach resonances to manipulate the interaction between atoms. In order to induce quantum dynamics by a change of the interaction strength, rapid ($\simμs$) magnetic field changes over several tens of Gauss are required. Here we present a compact design of a coil and its control circuit for a change of the magnetic field up to $36G$ in $3μs$. The setup comprises two concentric solenoids with minimal space requirements, which can be readily added to existing apparatuses. This design makes the observation of non-equilibrium physics with broad Feshbach resonances accessible. |
| title | A compact and fast magnetic coil for the interaction manipulation of quantum gases with Feshbach resonances |
| topic | Quantum Gases Atomic Physics |
| url | https://arxiv.org/abs/2103.05273 |