Here we discuss, based on first-principles calculations, two-dimensional (2D) kagome
lattices composed of polymerized heterotriangulene units, planar molecules with D3h point …

Counterflow superfluidity is an anomalous quantum phase that was predicted two decades
ago in the context of a two-component Bose–Hubbard model. In this phase, although both …

We observe and study a special ground state of bosons with two spin states in an optical
lattice: the spin-Mott insulator, a state that consists of repulsively bound pairs that is …

Mott insulator plateaus in optical lattices are a versatile platform to study spin physics. Using
sites occupied by two bosons with an internal degree of freedom, we realize a uniaxial …

In an optical lattice, entropy and mass transport by first-order tunneling are much faster than
spin transport via superexchange. Here we show that adding a constant force (tilt) …

We propose and implement a lattice scheme for coherently manipulating atomic spins.
Using a vector light shift and a superlattice structure, we demonstrate experimentally its …

We report on an experimental simulation of the spin-1 Heisenberg model with composite
bosons in a one-dimensional chain based on the two-component Bose-Hubbard model …

Quantum many-body phases offer unique properties and emergent phenomena, making
them an active area of research. A promising approach for their experimental realization in …

The realization of antiferromagnetic (AF) correlations in ultracold fermionic atoms on an
optical lattice is a significant achievement. Experiments have been carried out in one, two …

While the properties of standard (single-component) superfluids are well understood,
principal differences arise in a special type of multicomponent systems—the so-called …