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Exploring the foundations of the physical universe with space tests of the equivalence principle


Battelier, Baptiste; Bergé, Joel; et al; Jetzer, Philippe; Rothacher, Markus (2021). Exploring the foundations of the physical universe with space tests of the equivalence principle. Nature, 51(3):1695-1736.

Abstract

We present the scientific motivation for future space tests of the equivalence principle, and in particular the universality of free fall, at the 10− 17 level or better. Two possible mission scenarios, one based on quantum technologies, the other on electrostatic accelerometers, that could reach that goal are briefly discussed. This publication is a White Paper written in the context of the Voyage 2050 ESA Call for White Papers.

Abstract

We present the scientific motivation for future space tests of the equivalence principle, and in particular the universality of free fall, at the 10− 17 level or better. Two possible mission scenarios, one based on quantum technologies, the other on electrostatic accelerometers, that could reach that goal are briefly discussed. This publication is a White Paper written in the context of the Voyage 2050 ESA Call for White Papers.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Astronomy and Astrophysics
Physical Sciences > Space and Planetary Science
Uncontrolled Keywords:Space and Planetary Science, Astronomy and Astrophysics
Language:English
Date:1 June 2021
Deposited On:10 Jan 2022 13:48
Last Modified:26 Jun 2024 01:48
Publisher:Nature Publishing Group
ISSN:0028-0836
OA Status:Hybrid
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1007/s10686-021-09718-8
Project Information:
  • : FunderDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)
  • : Grant ID
  • : Project Title
  • Content: Published Version
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)