Ultracold bosons with short-range interaction in regular optical lattices
KV Krutitsky - Physics Reports, 2016 - Elsevier
During the last decade, many exciting phenomena have been experimentally observed and
theoretically predicted for ultracold atoms in optical lattices. This paper reviews these rapid …
theoretically predicted for ultracold atoms in optical lattices. This paper reviews these rapid …
Efficient and flexible approach to simulate low-dimensional quantum lattice models with large local Hilbert spaces
Quantum lattice models with large local Hilbert spaces emerge across various fields in
quantum many-body physics. Problems such as the interplay between fermions and …
quantum many-body physics. Problems such as the interplay between fermions and …
Characterization of Mott-insulating and superfluid phases in the one-dimensional Bose-Hubbard model
We use strong-coupling perturbation theory, the variational cluster approach (VCA), and the
dynamical density-matrix renormalization group (DDMRG) method to investigate static and …
dynamical density-matrix renormalization group (DDMRG) method to investigate static and …
Comparative study of state-of-the-art matrix-product-state methods for lattice models with large local Hilbert spaces without U (1) symmetry
Lattice models consisting of high-dimensional local degrees of freedom without global
particle-number conservation constitute an important problem class in the field of strongly …
particle-number conservation constitute an important problem class in the field of strongly …
Cluster Luttinger liquids and emergent supersymmetric conformal critical points in the one-dimensional soft-shoulder Hubbard model
We investigate the quantum phases of hard-core bosonic atoms in an extended Hubbard
model where particles interact via soft-shoulder potentials in one dimension. Using a …
model where particles interact via soft-shoulder potentials in one dimension. Using a …
Spectral and entanglement properties of the bosonic Haldane insulator
We discuss the existence of a nontrivial topological phase in one-dimensional interacting
systems described by the extended Bose-Hubbard model with a mean filling of one boson …
systems described by the extended Bose-Hubbard model with a mean filling of one boson …
Tomonaga-Luttinger-liquid criticality: Numerical entanglement entropy approach
S Nishimoto - Physical Review B—Condensed Matter and Materials …, 2011 - APS
The von Neumann entanglement entropy is studied with the density-matrix renormalization-
group technique. We propose a simple approach to calculate the central charge using the …
group technique. We propose a simple approach to calculate the central charge using the …
Phase diagram and continuous pair-unbinding transition of the bilinear-biquadratic Heisenberg chain in a magnetic field
We investigate the properties of the Heisenberg S= 1 chain with bilinear and biquadratic
interactions in a magnetic field using the density-matrix renormalization-group, Bethe …
interactions in a magnetic field using the density-matrix renormalization-group, Bethe …
Boson Pairing and Unusual Criticality in a Generalized Model
We discuss the unusual critical behavior of a generalized XY model containing both 2 π-
periodic and π-periodic couplings between sites, allowing for ordinary vortices and half …
periodic and π-periodic couplings between sites, allowing for ordinary vortices and half …
Quantum tricriticality of bosonic atomic-molecular mixtures with Feshbach coupling
YH Chen, DC Zheng, R Liao - Physical Review A, 2024 - APS
We identify that coherent interconversion can stabilize bosonic atomic-molecular mixtures by
establishing a comprehensive and analytical phase diagram, which can accommodate up to …
establishing a comprehensive and analytical phase diagram, which can accommodate up to …