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| Autori principali: | , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2407.18670 |
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| _version_ | 1866910543703441408 |
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| author | Huber, P. H. Barthel, P. Sriarunothai, Th. Giri, G. S. Wölk, S. Wunderlich, Ch. |
| author_facet | Huber, P. H. Barthel, P. Sriarunothai, Th. Giri, G. S. Wölk, S. Wunderlich, Ch. |
| contents | The center-of-mass position of a single trapped atomic ion is measured and tracked in time with high precision. Employing a near-resonant radio frequency field of wavelength 2.37 cm and a static magnetic field gradient of 19 T/m, the spatial location of the ion is determined with an unprecedented wavelength-relative resolution of 5 $\times$ 10$^{-9}$, corresponding to an absolute precision of 0.12 nm. Measurements of an electrostatic force on a single ion demonstrate a sensitivity of 2.2 $\times$ 10$^{-23} ~\text{N}/\sqrt{\text{Hz}}$. The real-time measurement of an atom's position complements the well-established technique of scanning near-field radio frequency transmission microscopy and opens up a novel route to using this method with path breaking spatial and force resolution. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_18670 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Measuring a single atom's position with extreme sub-wavelength resolution and force measurements in the yoctonewton range Huber, P. H. Barthel, P. Sriarunothai, Th. Giri, G. S. Wölk, S. Wunderlich, Ch. Quantum Physics Atomic Physics The center-of-mass position of a single trapped atomic ion is measured and tracked in time with high precision. Employing a near-resonant radio frequency field of wavelength 2.37 cm and a static magnetic field gradient of 19 T/m, the spatial location of the ion is determined with an unprecedented wavelength-relative resolution of 5 $\times$ 10$^{-9}$, corresponding to an absolute precision of 0.12 nm. Measurements of an electrostatic force on a single ion demonstrate a sensitivity of 2.2 $\times$ 10$^{-23} ~\text{N}/\sqrt{\text{Hz}}$. The real-time measurement of an atom's position complements the well-established technique of scanning near-field radio frequency transmission microscopy and opens up a novel route to using this method with path breaking spatial and force resolution. |
| title | Measuring a single atom's position with extreme sub-wavelength resolution and force measurements in the yoctonewton range |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2407.18670 |