We demonstrate many-body multifractality of the Bose-Hubbard Hamiltonian's ground state
in Fock space, for arbitrary values of the interparticle interaction. Generalized fractal …

The competition between short-range and cavity-mediated infinite-range interactions in a
cavity-boson system leads to the existence of a superfluid phase and a Mott-insulator phase …

We present a thorough investigation of non-stabilizerness-a fundamental quantum resource
that quantifies state complexity within the framework of quantum computing-in a one …

We develop a quantum many-body theory of the Bose-Hubbard model based on the
canonical quantization of the action derived from a Gutzwiller mean-field ansatz. Our theory …

We investigate the properties of the superfluid phase in the three-dimensional disordered
Bose-Hubbard model using quantum Monte Carlo simulations. The phase diagram is …

Quantum simulation provides an arena for investigating complex quantum many-body
phenomena, which are otherwise inaccessible through conventional techniques like …

We discuss how positions of critical points of the three-dimensional Bose-Hubbard model
can be accurately obtained from variance of the on-site atom number operator, which can be …

With the approaching second quantum revolution, the study of quantum thermodynamics,
particularly heat flow, has become even more relevant for two main reasons. First …

Variational quantum algorithms (VQA) are considered as some of the most promising
methods to determine the properties of complex strongly correlated quantum many-body …

We study the one-dimensional Bose-Hubbard model describing the superfluid-Mott insulator
quantum phase transition of cold atoms in optical lattices. We show that derivatives of the …