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Resolution of the colocation problem in satellite quantum tests of the universality of free fall

Loriani, Sina and Schubert, Christian and Schlippert, Dennis and Ertmer, Wolfgang and Pereira dos Santos, Franck and Rasel, Ernst Maria and Gaaloul, Naceur and Wolf, Peter (2020) Resolution of the colocation problem in satellite quantum tests of the universality of free fall. Physical Review D, 12 (102), p. 124043. American Physical Society. doi: 10.1103/PhysRevD.102.124043. ISSN 2470-0010.

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Official URL: https://link.aps.org/doi/10.1103/PhysRevD.102.124043

Abstract

A major challenge common to all Galilean drop tests of the universality of free fall (UFF) is the required control over the initial kinematics of the two test masses upon release due to coupling to gravity gradients and rotations. In this work, we consider a space-borne test of the UFF based on atom interferometry and show that this detrimental effect can be mitigated at the 10−18 level given an initial differential position (velocity) uncertainty in the order of μm (μm/s) of the test masses. This corresponds to a relaxation of the source control by several orders of magnitude with respect to comparable mission scenarios, such as the STE-QUEST mission proposal reported in [D. N. Aguilera et al., Classical Quantum Gravity 31, 115010 (2014)]. Our twofold mitigation strategy extends a compensation mechanism that is already established in terrestrial experiments to satellite missions with varying gravity gradients and exploits the spectral distribution of the systematics. We assess the experimental feasibility and find that the moderate parameters of the proposed scheme are in line with technological capabilities. The described attenuation of the gravity-gradient-induced uncertainty removes one major obstacle in quantum tests of the UFF and allows us to consider mission scenarios with target accuracies beyond the state of the art.

Item URL in elib:https://elib.dlr.de/145083/
Document Type:Article
Title:Resolution of the colocation problem in satellite quantum tests of the universality of free fall
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Loriani, SinaInstitut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, D-30167 Hannover, Germanyhttps://orcid.org/0000-0001-6660-960X
Schubert, ChristianChristian.Schubert (at) dlr.deUNSPECIFIED
Schlippert, DennisInstitut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, D-30167 Hannover, Germanyhttps://orcid.org/0000-0003-2168-1776
Ertmer, WolfgangWolfgang.Ertmer (at) dlr.deUNSPECIFIED
Pereira dos Santos, FranckLNE-SYRTE, Observatoire de Paris, Université PSL, CNRS,Sorbonne Université 61 avenue de l’Observatoire, 75014 Paris, Francehttps://orcid.org/0000-0003-0659-5028
Rasel, Ernst MariaInstitut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, D-30167 Hannover, GermanyUNSPECIFIED
Gaaloul, NaceurInstitut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, D-30167 Hannover, Germanyhttps://orcid.org/0000-0001-8233-5848
Wolf, PeterLNE-SYRTE, Observatoire de Paris, Université PSL, CNRS,Sorbonne Université 61 avenue de l’Observatoire, 75014 Paris, FranceUNSPECIFIED
Date:18 December 2020
Journal or Publication Title:Physical Review D
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:12
DOI :10.1103/PhysRevD.102.124043
Page Range:p. 124043
Publisher:American Physical Society
ISSN:2470-0010
Status:Accepted
Keywords:matter-wave interferometry, atom interferometer, quantum optics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication, Navigation, Quantum Technology
DLR - Research area:Raumfahrt
DLR - Program:R KNQ - Communication, Navigation, Quantum Technology
DLR - Research theme (Project):R - Atomic interferometric sensor technology
Location: Hannover
Institutes and Institutions:Institute for Satellite Geodesy and Inertial Sensing > Quantum Sensing
Deposited By: Schubert, Christian
Deposited On:01 Dec 2021 09:13
Last Modified:01 Dec 2021 09:13

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