Platform and environment requirements of a satellite quantum test of the weak equivalence principle at the 
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Struckmann, Christian; Corgier, Robin; Loriani, Sina; Kleinsteinberg, Gina; Gox, Nina; Giese, Enno; Métris, Gilles; Gaaloul, Naceur; Wolf, Peter

doi:10.1103/physrevd.109.064010

Phys. Rev. D

2024

DOI: 10.1103/physrevd.109.064010

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Platform and environment requirements of a satellite quantum test of the weak equivalence principle at the 10−17 level

Christian Struckmann,

Robin Corgier,

Sina Loriani

et al.

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2024

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Cited by 2 publications

References 81 publications

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Matter-wave collimation to picokelvin energies with scattering length and potential shape control

Herbst,

Estrampes,

Albers

et al. 2024

Commun Phys

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The sensitivity of atom interferometers depends on their ability to realize long pulse separation times and prevent loss of contrast by limiting the expansion of the atomic ensemble within the interferometer beam through matter-wave collimation. Here we investigate the impact of atomic interactions on collimation by applying a lensing protocol to a 39K Bose-Einstein condensate at different scattering lengths. Tailoring interactions, we measure energies corresponding to (340 ± 12) pK in one direction. Our results are supported by an accurate simulation, which allows us to extrapolate a 2D ballistic expansion energy of (438 ± 77) pK. Based on our findings we propose an advanced scenario, which enables 3D expansion energies below 16 pK by implementing an additional pulsed delta-kick. Our results pave the way to realize ensembles with more than 1 × 105 atoms and 3D energies in the two-digit pK range in typical dipole trap setups without the need for micro-gravity or long baseline environments.

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Matter-wave collimation to picokelvin energies with scattering length and potential shape control

Herbst,

Estrampes,

Albers

et al. 2024

Commun Phys

Self Cite

View full text Add to dashboard Cite

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Classical and Atomic Gravimetry

Fang,

Wang,

Zhou

et al. 2024

Remote Sensing

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Gravity measurements have important applications in geophysics, resource exploration, geodesy, and inertial navigation. The range of classical gravimetry includes laser interferometer (LI)-based absolute gravimeters, spring relative gravimeters, superconducting gravimeters, airborne/marine gravimeters, micro-electromechanical-system (MEMS) gravimeters, as well as gravity satellites and satellite altimetry. Atomic gravimetry is a new absolute gravity measurement technology based on atom interferometers (AIs) and features zero drift, long-term stability, long-term continuous measurements, and high precision. Atomic gravimetry has been used to measure static, marine, and airborne gravity; gravity gradient; as well as acceleration to test the weak equivalence principle at the China Space Station. In this paper, classical gravimetry is introduced, and the research progress on static and airborne/marine atomic gravimeters, space AIs, and atomic gravity gradiometers is reviewed. In addition, classical and atomic gravimetry are compared. Future atomic gravimetry development trends are also discussed with the aim of jointly promoting the further development of gravity measurement technologies alongside classical gravimetry.

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Platform and environment requirements of a satellite quantum test of the weak equivalence principle at the 10−17 level

Cited by 2 publications

References 81 publications

Matter-wave collimation to picokelvin energies with scattering length and potential shape control

Matter-wave collimation to picokelvin energies with scattering length and potential shape control

Classical and Atomic Gravimetry

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