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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2502.10555 |
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| _version_ | 1866916614719406080 |
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| author | Londoño, Mateo Olaya-Agudelo, Vanessa C. Herrera, Felipe Pérez-Ríos, Jesús |
| author_facet | Londoño, Mateo Olaya-Agudelo, Vanessa C. Herrera, Felipe Pérez-Ríos, Jesús |
| contents | Rydberg molecules, Rydberg-atom or Rydberg-molecule, are an essential ingredient of cold molecular sciences. However, due to the richness of Rydberg-neutral interactions, new kinds of Rydberg molecules and binding mechanisms are still to be discovered. In this work, we predict the existence of ultra-long-range van der Waals trimers in dilute atom-gas mixtures. These are bound states of a Rydberg atom and a diatomic polar molecule mediated by the long-range van der Waals interaction. This new binding mechanism gives rise to trimers with sizes between 5-500~nm and binding energies between 2 MHz and 0.2 kHz depending on the atomic principal quantum number $n$ and orbital angular momentum $L$. We show that these molecules can be produced via two-photon photoassociation, with rates on the order of (10$^{-13}$ - 10$^{-11}$) cm$^{3}$s$^{-1}$ for temperatures in the range of (0.5 $μK$ - 10$μK$), and discuss the feasibility of observing trimer resonances. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_10555 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Ultracold long-range van der Waals Rydberg trimer Londoño, Mateo Olaya-Agudelo, Vanessa C. Herrera, Felipe Pérez-Ríos, Jesús Atomic Physics Quantum Physics Rydberg molecules, Rydberg-atom or Rydberg-molecule, are an essential ingredient of cold molecular sciences. However, due to the richness of Rydberg-neutral interactions, new kinds of Rydberg molecules and binding mechanisms are still to be discovered. In this work, we predict the existence of ultra-long-range van der Waals trimers in dilute atom-gas mixtures. These are bound states of a Rydberg atom and a diatomic polar molecule mediated by the long-range van der Waals interaction. This new binding mechanism gives rise to trimers with sizes between 5-500~nm and binding energies between 2 MHz and 0.2 kHz depending on the atomic principal quantum number $n$ and orbital angular momentum $L$. We show that these molecules can be produced via two-photon photoassociation, with rates on the order of (10$^{-13}$ - 10$^{-11}$) cm$^{3}$s$^{-1}$ for temperatures in the range of (0.5 $μK$ - 10$μK$), and discuss the feasibility of observing trimer resonances. |
| title | Ultracold long-range van der Waals Rydberg trimer |
| topic | Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2502.10555 |