Cooling a strongly-interacting quantum gas by interaction modulation
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
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| _version_ | 1866916438256648192 |
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| author | Eberz, Daniel Kell, Andreas Breyer, Moritz Köhl, Michael |
| author_facet | Eberz, Daniel Kell, Andreas Breyer, Moritz Köhl, Michael |
| contents | We present a cooling method for a strongly-interacting trapped quantum gas. By applying a magnetic field modulation with frequencies close to the binding energy of a molecular bound state we selectively remove dimers with high kinetic energy from the sample. We demonstrate cooling of the sample over a wide range of interaction strengths and measure a high cooling efficiency of $γ=4$ that exceeds all previous cooling near Feshbach resonances. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_10642 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Cooling a strongly-interacting quantum gas by interaction modulation Eberz, Daniel Kell, Andreas Breyer, Moritz Köhl, Michael Quantum Gases We present a cooling method for a strongly-interacting trapped quantum gas. By applying a magnetic field modulation with frequencies close to the binding energy of a molecular bound state we selectively remove dimers with high kinetic energy from the sample. We demonstrate cooling of the sample over a wide range of interaction strengths and measure a high cooling efficiency of $γ=4$ that exceeds all previous cooling near Feshbach resonances. |
| title | Cooling a strongly-interacting quantum gas by interaction modulation |
| topic | Quantum Gases |
| url | https://arxiv.org/abs/2410.10642 |