Unravelling the Structures in the van der Waals Interactions of Alkali Rydberg Atoms
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866908625075699712 |
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| author | Wadenpfuhl, Karen Adams, C. Stuart |
| author_facet | Wadenpfuhl, Karen Adams, C. Stuart |
| contents | Rydberg atoms are used in a wide range of applications due to their peculiar properties like strong dipolar and van der Waals interactions. The choice of Rydberg state has a huge impact on the strength and angular dependence of the interactions, and so a detailed understanding of the underlying processes and resulting properties of the interactions is therefore key to select the most suitable states for experiments. We study the van der Waals interactions in alkali-metal atoms in detail and highlight the structures which allow an understanding and exploitation of the various interaction properties. A particular theme is the identification of Förster resonances with $n_1 \neq n_2$, which offer interaction potentials with a wide range of properties that make them particularly interesting for experimental applications. A second theme is a focus on the underlying structures that shape the angular dependency and sign of the interactions. This understanding - instead of brute-force calculations - allows for a much simpler and more systematic search for suitable pair states. These insights can be used for the selection of tailored interaction potentials subject to experimental constraints and requirements. We use rubidium as an example species in this work and also provide data for cesium and pair states that are coupled via two- or three-photon transitions, i.e. up to $F$ states, in the Appendix. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_14861 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Unravelling the Structures in the van der Waals Interactions of Alkali Rydberg Atoms Wadenpfuhl, Karen Adams, C. Stuart Atomic Physics Rydberg atoms are used in a wide range of applications due to their peculiar properties like strong dipolar and van der Waals interactions. The choice of Rydberg state has a huge impact on the strength and angular dependence of the interactions, and so a detailed understanding of the underlying processes and resulting properties of the interactions is therefore key to select the most suitable states for experiments. We study the van der Waals interactions in alkali-metal atoms in detail and highlight the structures which allow an understanding and exploitation of the various interaction properties. A particular theme is the identification of Förster resonances with $n_1 \neq n_2$, which offer interaction potentials with a wide range of properties that make them particularly interesting for experimental applications. A second theme is a focus on the underlying structures that shape the angular dependency and sign of the interactions. This understanding - instead of brute-force calculations - allows for a much simpler and more systematic search for suitable pair states. These insights can be used for the selection of tailored interaction potentials subject to experimental constraints and requirements. We use rubidium as an example species in this work and also provide data for cesium and pair states that are coupled via two- or three-photon transitions, i.e. up to $F$ states, in the Appendix. |
| title | Unravelling the Structures in the van der Waals Interactions of Alkali Rydberg Atoms |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2412.14861 |