Competing Interactions in Strongly Driven Multi-Level Systems
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866913265045471232 |
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| author | Bender, Jana Mischke, Patrick Klas, Tanita Binoth, Florian Naim, Hani Ott, Herwig Niederprüm, Thomas |
| author_facet | Bender, Jana Mischke, Patrick Klas, Tanita Binoth, Florian Naim, Hani Ott, Herwig Niederprüm, Thomas |
| contents | We experimentally study the level mixing, splitting and repulsion of an optically driven atomic multi-level system under two competing interactions. The strength of the optical coupling is increased until it surpasses the atomic hyperfine interaction responsible for mixing the magnetic substates. Due to the multi-level character of the coupled state space, the level shifts exhibit complex behavior reminiscent of the Paschen-Back effect. Our results show that multi-level effects can have significant influence for strong external drive, differing from a simple model of effective non-interacting two-level systems. These results highlight the relevance of imperfections of the light polarization or initial state preparation in strongly optically driven systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_09542 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Competing Interactions in Strongly Driven Multi-Level Systems Bender, Jana Mischke, Patrick Klas, Tanita Binoth, Florian Naim, Hani Ott, Herwig Niederprüm, Thomas Quantum Physics Atomic Physics We experimentally study the level mixing, splitting and repulsion of an optically driven atomic multi-level system under two competing interactions. The strength of the optical coupling is increased until it surpasses the atomic hyperfine interaction responsible for mixing the magnetic substates. Due to the multi-level character of the coupled state space, the level shifts exhibit complex behavior reminiscent of the Paschen-Back effect. Our results show that multi-level effects can have significant influence for strong external drive, differing from a simple model of effective non-interacting two-level systems. These results highlight the relevance of imperfections of the light polarization or initial state preparation in strongly optically driven systems. |
| title | Competing Interactions in Strongly Driven Multi-Level Systems |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2403.09542 |