Incommensurable matter-wave jets in quasi-1D geometry
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866916426254647296 |
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| author | Mežnaršič, Tadej Žitko, Rok Gosar, Katja Pirman, Jure Arh, Katja Jug, Matevž Zupanič, Erik Jeglič, Peter |
| author_facet | Mežnaršič, Tadej Žitko, Rok Gosar, Katja Pirman, Jure Arh, Katja Jug, Matevž Zupanič, Erik Jeglič, Peter |
| contents | Matter-wave jets are ejected from a Bose-Einstein condensate subjected to a modulation of the interaction strength. For sufficiently strong modulation additional higher harmonic matter-wave jets emerge. Here we report the first experimental observation of incommensurable "golden" $\frac{1+\sqrt{5}}{2}$ matter-wave jets in a Bose-Einstein condensate exposed to a single frequency interaction modulation. We study the formation of higher-order jets and the corresponding incommensurable density waves in quasi-one-dimensional geometry with numerical one dimensional (1D) Gross-Pitaevskii equation simulation. We explore the process of jet formation experimentally and theoretically for a wide range of modulation amplitudes and frequencies and establish a phase diagram delineating different regimes of jet formation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_07004 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Incommensurable matter-wave jets in quasi-1D geometry Mežnaršič, Tadej Žitko, Rok Gosar, Katja Pirman, Jure Arh, Katja Jug, Matevž Zupanič, Erik Jeglič, Peter Quantum Gases Pattern Formation and Solitons Atomic Physics Quantum Physics Matter-wave jets are ejected from a Bose-Einstein condensate subjected to a modulation of the interaction strength. For sufficiently strong modulation additional higher harmonic matter-wave jets emerge. Here we report the first experimental observation of incommensurable "golden" $\frac{1+\sqrt{5}}{2}$ matter-wave jets in a Bose-Einstein condensate exposed to a single frequency interaction modulation. We study the formation of higher-order jets and the corresponding incommensurable density waves in quasi-one-dimensional geometry with numerical one dimensional (1D) Gross-Pitaevskii equation simulation. We explore the process of jet formation experimentally and theoretically for a wide range of modulation amplitudes and frequencies and establish a phase diagram delineating different regimes of jet formation. |
| title | Incommensurable matter-wave jets in quasi-1D geometry |
| topic | Quantum Gases Pattern Formation and Solitons Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2303.07004 |