Mobile quantum gravity sensor with unprecedented stability

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Freier, C.; Hauth ,M.; Schkolnik, V.; Leykauf, B.; Schilling, Manuel et al.: Mobile quantum gravity sensor with unprecedented stability. In: Journal of Physics: Conference Series 723 (2016), Nr. 1, 12050. DOI:

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Sum total of downloads: 207

Changes of surface gravity on Earth are of great interest in geodesy, earth sciences and natural resource exploration. They are indicative of Earth system's mass redistributions and vertical surface motion, and are usually measured with falling corner-cube- and superconducting gravimeters (FCCG and SCG). Here we report on absolute gravity measurements with a mobile quantum gravimeter based on atom interferometry. The measurements were conducted in Germany and Sweden over periods of several days with simultaneous SCG and FCCG comparisons. They show the best-reported performance of mobile atomic gravimeters to date with an accuracy of 39nm/s2, long-term stability of 0.5nm/s2 and short-term noise of 96nm/s2/√Hz. These measurements highlight the unique properties of atomic sensors. The achieved level of performance in a transportable instrument enables new applications in geodesy and related fields, such as continuous absolute gravity monitoring with a single instrument under rough environmental conditions.
License of this version: CC BY 3.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

distribution of downloads over the selected time period:

downloads by country:

pos. country downloads
total perc.
1 image of flag of Germany Germany 152 73.43%
2 image of flag of China China 27 13.04%
3 image of flag of United States United States 12 5.80%
4 image of flag of India India 4 1.93%
5 image of flag of Nepal Nepal 2 0.97%
6 image of flag of No geo information available No geo information available 1 0.48%
7 image of flag of Russian Federation Russian Federation 1 0.48%
8 image of flag of Mexico Mexico 1 0.48%
9 image of flag of Korea, Republic of Korea, Republic of 1 0.48%
10 image of flag of Australia Australia 1 0.48%
    other countries 5 2.42%

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