A scalable high-performance magnetic shield for very long baseline atom interferometry

Originalpublikation

Wodey, E.; Tell, D.; Rasel, E.M.; Schlippert, D.; Baur, R. et al.: A scalable high-performance magnetic shield for very long baseline atom interferometry. In: Review of Scientific Instruments 91 (2020), Nr. 3, 5141340. DOI: https://doi.org/10.1063/1.5141340

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Zusammenfassung:
We report on the design, construction, and characterization of a 10 m-long high-performance magnetic shield for very long baseline atom interferometry. We achieve residual fields below 4 nT and longitudinal inhomogeneities below 2.5 nT/m over 8 m along the longitudinal direction. Our modular design can be extended to longer baselines without compromising the shielding performance. Such a setup constrains biases associated with magnetic field gradients to the sub-pm/s2 level in atomic matterwave accelerometry with rubidium atoms and paves the way toward tests of the universality of free fall with atomic test masses beyond the 10-13 level. © 2020 Author(s).
Lizenzbestimmungen: CC BY 4.0 Unported - https://creativecommons.org/licenses/by/4.0/
Publikationstyp: Article
Publikationsstatus: publishedVersion
Erstveröffentlichung: 2020
Schlagwörter (englisch): Atoms, Interferometry, Magnetism, Atom interferometry, Inhomogeneities, Long base line, Longitudinal direction, Magnetic field gradient, Modular designs, Residual field, Shielding performance, Magnetic shielding, accelerometry, article, controlled study, human, interferometry, magnetic field
Fachliche Zuordnung (DDC): 530 | Physik, 620 | Ingenieurwissenschaften und Maschinenbau

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