The repulsive Hubbard model has been immensely useful in understanding strongly
correlated electron systems and serves as the paradigmatic model of the field. Despite its …

We examine key aspects of the theory of the Bardeen–Cooper–Schrieffer (BCS) to Bose–
Einstein condensation (BEC) crossover, focusing on the temperature dependence of the …

We report results of large-scale ground-state density matrix renormalization group (DMRG)
calculations on tt′-J cylinders with circumferences 6 and 8. We determine a rough phase …

The Hubbard model is an iconic model in quantum many-body physics and has been
intensely studied, especially since the discovery of high-temperature cuprate …

We describe the confining instabilities of a proposed quantum spin liquid underlying the
pseudogap metal state of the hole-doped cuprates. The spin liquid can be described by a …

Unravelling competing orders emergent in doped Mott insulators and their interplay with
unconventional superconductivity is one of the major challenges in condensed matter …

Unidirectional (“stripe”) charge density wave order has now been established as a
ubiquitous feature in the phase diagram of the cuprate high-temperature superconductors …

Accurate simulations of the two-dimensional (2D) Hubbard model constitute one of the most
challenging problems in condensed matter and quantum physics. Here we develop a …

Typical Wannier-function downfolding starts with a mean-field or density functional set of
bands to construct the Wannier functions. Here, we carry out a controlled approach, using …

We determine the spin and charge orders in the ground state of the doped two-dimensional
(2D) Hubbard model in its simplest form, namely with only nearest-neighbor hopping and on …