Precision gravity tests and the Einstein equivalence principle

GM Tino, L Cacciapuoti, S Capozziello… - Progress in Particle and …, 2020 - Elsevier
General Relativity is today the best theory of gravity addressing a wide range of phenomena.
Our understanding of physical laws, from cosmology to local scales, cannot be properly …

Testing gravity with cold atom interferometry: results and prospects

GM Tino - Quantum Science and Technology, 2021 - iopscience.iop.org
Atom interferometers have been developed in the last three decades as new powerful tools
to investigate gravity. They were used for measuring the gravity acceleration, the gravity …

Quantum test of the universality of free fall

D Schlippert, J Hartwig, H Albers, LL Richardson… - Physical Review Letters, 2014 - APS
We simultaneously measure the gravitationally induced phase shift in two Raman-type
matter-wave interferometers operated with laser-cooled ensembles of Rb 87 and K 39 …

Detecting inertial effects with airborne matter-wave interferometry

R Geiger, V Ménoret, G Stern, N Zahzam… - Nature …, 2011 - nature.com
Inertial sensors relying on atom interferometry offer a breakthrough advance in a variety of
applications, such as inertial navigation, gravimetry or ground-and space-based tests of …

Test of Einstein equivalence principle for 0-spin and half-integer-spin atoms: search for spin-gravity coupling effects

MG Tarallo, T Mazzoni, N Poli, DV Sutyrin, X Zhang… - Physical review …, 2014 - APS
We report on a conceptually new test of the equivalence principle performed by measuring
the acceleration in Earth's gravity field of two isotopes of strontium atoms, namely, the …

STE-QUEST—test of the universality of free fall using cold atom interferometry

DN Aguilera, H Ahlers, B Battelier… - … and Quantum Gravity, 2014 - iopscience.iop.org
The theory of general relativity describes macroscopic phenomena driven by the influence of
gravity while quantum mechanics brilliantly accounts for microscopic effects. Despite their …

The influence of transverse motion within an atomic gravimeter

A Louchet-Chauvet, T Farah, Q Bodart… - New Journal of …, 2011 - iopscience.iop.org
Limits on the long-term stability and accuracy of a second generation cold atom gravimeter
are investigated. We demonstrate a measurement protocol based on four interleaved …

Testing the universality of free fall with rubidium and ytterbium in a very large baseline atom interferometer

J Hartwig, S Abend, C Schubert… - New Journal of …, 2015 - iopscience.iop.org
We propose a very long baseline atom interferometer test of Einstein's equivalence principle
(EEP) with ytterbium and rubidium extending over 10 m of free fall. In view of existing …

Circumventing Heisenberg's uncertainty principle in atom interferometry tests of the equivalence principle

A Roura - Physical review letters, 2017 - APS
Atom interferometry tests of universality of free fall based on the differential measurement of
two different atomic species provide a useful complement to those based on macroscopic …

Interferometry of atomic matter waves in the cold atom lab onboard the international space station

JR Williams, CA Sackett, H Ahlers, DC Aveline… - arxiv preprint arxiv …, 2024 - arxiv.org
Ultracold atomic gases hold unique promise for space science by capitalizing on quantum
advantages and extended freefall, afforded in a microgravity environment, to enable next …