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 …

This article reviews recent developments in tests of fundamental physics using atoms and
molecules, including the subjects of parity violation, searches for permanent electric dipole …

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 …

We present the MIGA experiment, an underground long baseline atom interferometer to
study gravity at large scale. The hybrid atom-laser antenna will use several atom …

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 …

Compared to light interferometers, the flux in cold-atom interferometers is low and the
associated shot noise is large. Sensitivities beyond these limitations require the preparation …

The validity of just a few physical conditions comprising the Einstein equivalence principle
(EEP) suffices to ensure that gravity can be understood as spacetime geometry. The EEP is …

Advances in quantum technologies are giving rise to a revolution in the way fundamental
physics questions are explored at the empirical level. At the same time, they are the seeds …

The creation of delocalized coherent superpositions of quantum systems experiencing
different relativistic effects is an important milestone in future research at the interface of …

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 …