A transportable quantum gravimeter employing delta-kick collimated Bose–Einstein condensates

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Heine, N.; Matthias, J.; Sahelgozin, M.; Herr, W.; Abend, S. et al.: A transportable quantum gravimeter employing delta-kick collimated Bose–Einstein condensates. In: European Physical Journal D 74 (2020), Nr. 8, 174. DOI: https://doi.org/10.1140/epjd/e2020-10120-x

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Sum total of downloads: 122

Abstract: Gravimetry with low uncertainty and long-term stability opens up new fields of research in geodesy, especially in hydrology and volcanology. The main limitations in the accuracy of current generation cold atom gravimeters stem from the expansion rate and the residual centre-of-mass motion of their atomic test masses. Our transportable quantum gravimeter QG-1 aims at overcoming these limitations by performing atom interferometry with delta-kick collimated Bose–Einstein condensates generated by an atom chip. With our approach we anticipate to measure the local gravitational acceleration at geodetic campaigns with an uncertainty less than 1 nm/s2 surpassing the state-of-the-art classic and quantum based systems. In this paper, we discuss the design and performance assessment of QG-1.
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2020
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie
Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 59 48.36%
2 image of flag of United States United States 21 17.21%
3 image of flag of China China 19 15.57%
4 image of flag of Australia Australia 5 4.10%
5 image of flag of No geo information available No geo information available 4 3.28%
6 image of flag of France France 3 2.46%
7 image of flag of Spain Spain 2 1.64%
8 image of flag of Vietnam Vietnam 1 0.82%
9 image of flag of Taiwan Taiwan 1 0.82%
10 image of flag of Austria Austria 1 0.82%
    other countries 6 4.92%

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