Recent experimental and theoretical studies in condensed matter and quantum gases show an increasing intersection of these two areas, because underlying physical mechanisms are very similar. In superconductors and superfluid Fermi gases, the same phenomena (such as Higgs collective modes, Josephson junctions, multigap condensation) are currently being studied in the two communities.

In the same way, recent experimental breakthroughs on exciton-polaritons condensates opened a new window on the physics of strongly interacting and out-of-equilibrium bosonic fluids, at a time when experiments on quenched atomic Bose-Einstein condensates are challenging state-of-the-art theories of interacting bosons by accessing new interaction regimes.

In this minicolloqium we restrict the proposal to the specific topical subjects of pair-condensed fermionic systems and out-of-equilibrium bosonic systems. We would like to confront recent experimental results on Higgs modes or Josephson junctions. We’re also interested to highlight to this audience topics of broader relevance such as bosonic mixtures, quenched dynamics and non-equilibrium features in both ultracold and driven-dissipative condensates, to bring out other features of mutual interests across different condensed matter systems.

The goal of this minicolloquium is to bring together experts of condensed matter and ultracold quantum gases who are facing the same issues, and thus to contribute to the flow of innovative ideas between the two fields. We have sought an equal gender representation in our list of proposed speakers and favored junior researcher contributions.