The realization of Bose Einstein condensates (BEC) and quantum degenerate Fermi gases
with cold atoms has been a highlight of quantum physics during the past decade. Cold …

Originally, the Hubbard model was derived for describing the behavior of strongly correlated
electrons in solids. However, for over a decade now, variations of it have also routinely been …

We demonstrate how to explore phase diagrams with automated and unsupervised machine
learning to find regions of interest for possible new phases. In contrast to supervised …

We study a one-dimensional system of strongly correlated bosons on a dynamical lattice. To
this end, we extend the standard Bose-Hubbard Hamiltonian to include extra degrees of …

The entanglement spectrum provides crucial information about correlated quantum systems.
We show that the study of the blocklike nature of the reduced density matrix in number …

Recent studies have suggested a new phase in the extended Bose-Hubbard model in one
dimension at integer filling. In this work, we show that this new phase is phase-separated …

We study the phase diagram of the one-dimensional boson gas trapped inside an optical
lattice with contact and dipolar interaction, taking into account next-nearest terms for both …

We determine the quantum ground state of dipolar bosons in a quasi-one-dimensional
optical lattice and interacting via s-wave scattering. The Hamiltonian is an extended Bose …

Two-component coupled Bose gas in a 1D optical lattice is examined. In addition to the
postulated Mott insulator and superfluid phases, multiple bosonic components manifest spin …

Searching for and investigating supersolids is a long-term outstanding problem in physics. In
addition to the solid element He 4 and cold atoms as potential candidates for the supersolid …