Effects of higher-order Casimir-Polder interactions on Rydberg atom spectroscopy
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866917645739098112 |
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| author | Dutta, Biplab Carvalho, Joao Carlos de Aquino Garcia-Arellano, Guadalupe Pedri, Paolo Laliotis, Athanasios Boldt, Chris Kaushal, Jivesh Scheel, Stefan |
| author_facet | Dutta, Biplab Carvalho, Joao Carlos de Aquino Garcia-Arellano, Guadalupe Pedri, Paolo Laliotis, Athanasios Boldt, Chris Kaushal, Jivesh Scheel, Stefan |
| contents | In the extreme near-field, when the spatial extension of the atomic wavefunction is no longer negligible compared to the atom-surface distance, the dipole approximation is no longer sufficient to describe Casimir-Polder interactions. Here we calculate the higher-order, quadrupole and octupole, contributions to Casimir-Polder energy shifts of Rydberg atoms close to a dielectric surface. We subsequently investigate the effects of these higher-order terms in thin-cell and selective reflection spectroscopy. Beyond its fundamental interest, this new regime of extremely small atom surface separations is relevant for quantum technology applications with Rydberg or surface-bound atoms interfacing with photonic platforms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_13354 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Effects of higher-order Casimir-Polder interactions on Rydberg atom spectroscopy Dutta, Biplab Carvalho, Joao Carlos de Aquino Garcia-Arellano, Guadalupe Pedri, Paolo Laliotis, Athanasios Boldt, Chris Kaushal, Jivesh Scheel, Stefan Atomic Physics Quantum Physics In the extreme near-field, when the spatial extension of the atomic wavefunction is no longer negligible compared to the atom-surface distance, the dipole approximation is no longer sufficient to describe Casimir-Polder interactions. Here we calculate the higher-order, quadrupole and octupole, contributions to Casimir-Polder energy shifts of Rydberg atoms close to a dielectric surface. We subsequently investigate the effects of these higher-order terms in thin-cell and selective reflection spectroscopy. Beyond its fundamental interest, this new regime of extremely small atom surface separations is relevant for quantum technology applications with Rydberg or surface-bound atoms interfacing with photonic platforms. |
| title | Effects of higher-order Casimir-Polder interactions on Rydberg atom spectroscopy |
| topic | Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2404.13354 |