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A scalable high-performance magnetic shield for very long baseline atom interferometry
Authors
R. Baur
P. Fierlinger
+12 more
U. Kissling
B. Kölliker
M. Lorenz
M. Marrer
E.M. Rasel
D. Schlippert
U. Schläpfer
S. Stuiber
D. Tell
C. Ufrecht
M. Widmer
E. Wodey
Publication date
1 January 2020
Publisher
College Park, MD : American Institute of Physics
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arXiv
Abstract
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)
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Institutionelles Repositorium der Leibniz Universität Hannover
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Last time updated on 11/04/2021