Taking atom interferometric quantum sensors from the laboratory to real-world applications

K Bongs, M Holynski, J Vovrosh, P Bouyer… - Nature Reviews …, 2019 - nature.com
Since the first proof-of-principle experiments over 25 years ago, atom interferometry has
matured to a versatile tool that can be used in fundamental research in particle physics …

MICROSCOPE's view at gravitation

J Bergé - Reports on Progress in Physics, 2023 - iopscience.iop.org
The weak equivalence principle (WEP) is the cornerstone of general relativity (GR). Testing
it is thus a natural way to confront GR to experiments, which has been pursued for four …

The space cold atom interferometer for testing the equivalence principle in the China Space Station

M He, X Chen, J Fang, Q Chen, H Sun, Y Wang… - npj …, 2023 - nature.com
The precision of the weak equivalence principle (WEP) test using atom interferometers (AIs)
is expected to be extremely high in microgravity environment. The microgravity scientific …

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

S Loriani, C Schubert, D Schlippert, W Ertmer… - Physical Review D, 2020 - APS
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 …

[HTML][HTML] Relevance of the weak equivalence principle and experiments to test it: Lessons from the past and improvements expected in space

AM Nobili, A Anselmi - Physics Letters A, 2018 - Elsevier
Abstract Tests of the Weak Equivalence Principle (WEP) probe the foundations of physics.
Ever since Galileo in the early 1600s, WEP tests have attracted some of the best …

Multiloop atom interferometer measurements of chameleon dark energy in microgravity

S Chiow, N Yu - Physical Review D, 2018 - APS
Chameleon field is one of the promising candidates of dark energy scalar fields. As in all
viable candidate field theories, a screening mechanism is implemented to be consistent with …

New apparatus design for high-precision measurement of G with atom interferometry

M Jain, GM Tino, L Cacciapuoti, G Rosi - The European Physical Journal …, 2021 - Springer
We propose a new scheme for an improved determination of the Newtonian gravitational
constant G and evaluate it by numerical simulations. Cold atoms in free fall are probed by …

Perspectives and opportunities: a molecular toolkit for fundamental physics and matter-wave interferometry in microgravity

JP D'Incao, JR Williams, N Gaaloul… - Quantum Science …, 2022 - iopscience.iop.org
The study of molecular physics using ultracold gases has provided a unique probe into the
fundamental properties of nature and offers new tools for quantum technologies. In this …

Squeezing Enhancement in Lossy Multi-Path Atom Interferometers

J Günther, JN Kirsten-Siemß, N Gaaloul… - arXiv preprint arXiv …, 2024 - arxiv.org
This paper explores the sensitivity gains afforded by spin-squeezed states in atom
interferometry, in particular using Bragg diffraction. We introduce a generalised input-output …

An entanglement-enhanced atomic gravimeter

C Cassens, B Meyer-Hoppe, E Rasel… - arXiv preprint arXiv …, 2024 - arxiv.org
Interferometers based on ultra-cold atoms enable an absolute measurement of inertial
forces with unprecedented precision. However, their resolution is fundamentally restricted by …