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  BEC quantum sensors for gravimetry on Earth and in space

Herr, W., Ahlers, H., Deppner, C., Wacker, A., Piest, B., Nuñez von Voigt, P., Heine, N., Müller, J., Rasel, E. M., Schubert, C. (2023): BEC quantum sensors for gravimetry on Earth and in space, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4143

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021582 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021582_1
Genre: Conference Paper

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 Creators:
Herr, Waldemar1, Author
Ahlers, Holger1, Author
Deppner, Christian1, Author
Wacker, Arne1, Author
Piest, Baptist1, Author
Nuñez von Voigt, Pablo1, Author
Heine, Nina1, Author
Müller, Jürgen1, Author
Rasel, Ernst Maria1, Author
Schubert, Christian1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Quantum sensors utilising atom interferometry offer new perspectives for future gravity missions. The atom interferometer therein promises long-term stable measurements and high accuracy, complementing or possibly replacing established sensor concepts.Several different experiments based on this principle demonstrated measurements of gravitational accelerations and gravity gradients. Additionally, dedicated setups showed operation in microgravity environments and tested concepts for future space missions. A core feature of these setups is the robust generation of Bose-Einstein condensates with subsequent matter-wave collimation to generate a well-defined input state extending interferometry times and suppressing error terms.We will present the state-of-the-art in interferometers using Bose-Einstein condensates, focused on the Quantum Gravimeter QG-1 and our microgravity activities, and discuss concepts for the implementation in future space missions.Supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) in - Project-ID 434617780 - the SFB 1464 TerraQ within the projects A01, A02 and A03, and under Germany’s Excellence Strategy - EXC-2123 QuantumFrontiers - Project-ID 390837967.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-4143
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: - Identifier: -