Time crystals are time-periodic self-organized structures postulated by Frank Wilczek in
2012. While the original concept was strongly criticized, it stimulated at the same time an …

In recent years, the ability of cold atom experiments to explore condensed-matter-related
questions has dramatically progressed. Transport experiments, in particular, have expanded …

In disordered media, quantum interference effects are expected to induce complete
suppression of electron conduction. The phenomenon, known as Anderson localization, has …

Anderson localization (AL) is a ubiquitous interference phenomenon in which waves fail to
propagate in a disordered medium. We observe three-dimensional AL of noninteracting …

Anderson localization is a universal phenomenon affecting non-interacting quantum
particles in a disordered environment. In three spatial dimensions, theory predicts a …

Dimension 2 is expected to be the lower critical dimension for Anderson localization in a
time-reversal-invariant disordered quantum system. Using an atomic quasiperiodic kicked …

Classifying many-body quantum states with distinct properties and phases of matter is one of
the most fundamental tasks in quantum many-body physics. However, due to the …

The review deals with the physics of cold atomic gases in the presence of disorder. The
emphasis is on the theoretical developments, although several experiments are also briefly …

We experimentally study one-dimensional, lattice-modulated Bose gases in the presence of
an uncorrelated disorder potential formed by localized impurity atoms, and compare to the …

We report on the direct observation of coherent backscattering (CBS) of ultracold atoms in a
quasi-two-dimensional configuration. Launching atoms with a well-defined momentum in a …