Associative ionization in a dilute ultracold $^7$Li gas probed with a hybrid trap
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916465936957440 |
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| author | Joshi, N. Mahendrakar, Vaibhav Niranjan, M. Yadav, Raghuveer Singh Krishnakumar, E Pandey, A. Vexiau, R Dulieu, O. Rangwala, S. A. |
| author_facet | Joshi, N. Mahendrakar, Vaibhav Niranjan, M. Yadav, Raghuveer Singh Krishnakumar, E Pandey, A. Vexiau, R Dulieu, O. Rangwala, S. A. |
| contents | The formation of Li$_2^+$ and subsequently Li$^+$ ions, during the excitation of $^7$Li atoms to the $3S_{1/2}$ state in a $^7$Li magneto optical trap (MOT), is probed in an ion-atom hybrid trap. Associative ionization occurs during the collision of Li($2P_{3/2}$) and Li($3S_{1/2}$) ultracold atoms, creating Li$_2^+$ ions. Photodissociation of Li$_2^+$ by the MOT lasers is an active channel for the conversion of Li$_2^+$ to Li$^+$. A fraction of the Li$_2^+$ ions is long lived even in the presence of MOT light. Additionally, rapid formation of Li$^+$ from Li$_2^+$ in the absence of MOT light is observed. Resonant excitation of ultracold atoms, resulting in intricate molecular dynamics, reveals important processes in ultracold dilute gases. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2411_01209 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Associative ionization in a dilute ultracold $^7$Li gas probed with a hybrid trap Joshi, N. Mahendrakar, Vaibhav Niranjan, M. Yadav, Raghuveer Singh Krishnakumar, E Pandey, A. Vexiau, R Dulieu, O. Rangwala, S. A. Atomic Physics Quantum Gases Atomic and Molecular Clusters Chemical Physics The formation of Li$_2^+$ and subsequently Li$^+$ ions, during the excitation of $^7$Li atoms to the $3S_{1/2}$ state in a $^7$Li magneto optical trap (MOT), is probed in an ion-atom hybrid trap. Associative ionization occurs during the collision of Li($2P_{3/2}$) and Li($3S_{1/2}$) ultracold atoms, creating Li$_2^+$ ions. Photodissociation of Li$_2^+$ by the MOT lasers is an active channel for the conversion of Li$_2^+$ to Li$^+$. A fraction of the Li$_2^+$ ions is long lived even in the presence of MOT light. Additionally, rapid formation of Li$^+$ from Li$_2^+$ in the absence of MOT light is observed. Resonant excitation of ultracold atoms, resulting in intricate molecular dynamics, reveals important processes in ultracold dilute gases. |
| title | Associative ionization in a dilute ultracold $^7$Li gas probed with a hybrid trap |
| topic | Atomic Physics Quantum Gases Atomic and Molecular Clusters Chemical Physics |
| url | https://arxiv.org/abs/2411.01209 |