After decades of improvements in cooling techniques of several atomic species and in
finding methods for the achievement of stable quantum mixtures, the field is now ready for …

Dynamical quantum phase transitions are closely related to equilibrium quantum phase
transitions for ground states. Here, we report an experimental observation of a dynamical …

Quantized vortices are the hallmark of superfluidity, and are often sought out as the first
observable feature in new superfluid systems. Following the recent experimental …

We study the propagation of sound waves in a binary superfluid gas with two symmetric
components. The binary superfluid is constituted using a Bose-Einstein condensate of Na 23 …

The spin dynamics of a harmonically trapped Bose-Einstein condensed binary mixture of
sodium atoms is experimentally investigated at finite temperature. In the collisional regime …

We report the observation of strongly ferromagnetic F= 1 spinor Bose-Einstein condensates
of Li 7 atoms. The condensates are generated in an optical dipole trap without using …

Close to the demixing transition, the degree of freedom associated with relative density
fluctuations of a two-component Bose-Einstein condensate is described by a nondissipative …

We study a mixture of two superfluids with density–density and current–current (Andreev–
Bashkin) interspecies interactions. The Andreev–Bashkin coupling gives rise to a …

Many-body systems at low temperatures generally organize themselves into ordered
phases, whose nature and symmetries are captured by an order parameter. This order …

We study theoretically the nonlinear dynamics induced by shear-flow instability in
segregated two-component Bose-Einstein condensates in terms of the Weber number …