Observation of resonant monopole-dipole energy transfer between Rydberg atoms and polar molecules
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866911701764407296 |
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| author | Zou, J. Wang, R. R. W. González-Férez, R. Sadeghpour, H. R. Hogan, S. D. |
| author_facet | Zou, J. Wang, R. R. W. González-Férez, R. Sadeghpour, H. R. Hogan, S. D. |
| contents | Resonant energy transfer (RET), between equal parity 1s65s$^3\mathrm{S}_1$ and 1s66s$^3\mathrm{S}_1$ Rydberg levels in helium has been observed in low-temperature ($\sim80$ mK) collisions with ammonia molecules which undergo inversion transitions in their X$^1$A$_1$ ground electronic state. This hybrid Rydberg-atom-polar-molecule RET represents a monopole-dipole energy exchange reaction that necessarily requires spatial overlap of the Rydberg-electron and molecular wavefunctions. Calculations, that account explicitly for the charge-dipole interaction between the Rydberg electron and the molecule, provide a quantitative explanation of the observations. Total parity is conserved in the reaction through the mixing of collisional angular momentum in the atom-molecule complex. This work opens opportunities to expand the toolbox for quantum science with charge-dipole-mediated energy exchange in hybrid neutral-atom-polar-molecule platforms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_21582 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Observation of resonant monopole-dipole energy transfer between Rydberg atoms and polar molecules Zou, J. Wang, R. R. W. González-Férez, R. Sadeghpour, H. R. Hogan, S. D. Atomic Physics Quantum Gases Quantum Physics Resonant energy transfer (RET), between equal parity 1s65s$^3\mathrm{S}_1$ and 1s66s$^3\mathrm{S}_1$ Rydberg levels in helium has been observed in low-temperature ($\sim80$ mK) collisions with ammonia molecules which undergo inversion transitions in their X$^1$A$_1$ ground electronic state. This hybrid Rydberg-atom-polar-molecule RET represents a monopole-dipole energy exchange reaction that necessarily requires spatial overlap of the Rydberg-electron and molecular wavefunctions. Calculations, that account explicitly for the charge-dipole interaction between the Rydberg electron and the molecule, provide a quantitative explanation of the observations. Total parity is conserved in the reaction through the mixing of collisional angular momentum in the atom-molecule complex. This work opens opportunities to expand the toolbox for quantum science with charge-dipole-mediated energy exchange in hybrid neutral-atom-polar-molecule platforms. |
| title | Observation of resonant monopole-dipole energy transfer between Rydberg atoms and polar molecules |
| topic | Atomic Physics Quantum Gases Quantum Physics |
| url | https://arxiv.org/abs/2509.21582 |