Ground-State Phase Diagram of the Two-Dimensional Extended Bose-Hubbard Model
arXiv:1206.3670 · doi:10.1103/PhysRevB.86.054520
Abstract
We investigate the ground-state phase diagram of the soft-core Bose-Hubbard model with the nearest-neighbor repulsion on a square lattice by using an unbiased quantum Monte Carlo method. In contrast to the previous study[P. Sengupta {\it et. al.}, Phys. Rev. Lett. {\bf 94}, 207202 (2005)], we present the ground-state phase diagrams up to large hopping parameters. As a result, in addition to the known supersolid above half-filling, we find supersolid even below and at half-filling for large hopping parameters. Furthermore, for the strong nearest-neighbor repulsion, we show that the supersolid phase occupies a remarkably broad region in the phase diagram. The results are in qualitative agreement with that obtained by the Gutzwiller mean-field approximation[M. Iskin, Phys. Rev. A {\bf 83}, 051606(R) (2011) and T. Kimura, Phys. Rev. A {\bf 84}, 063630 (2011)].
References in corpus (39)
- Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms
- Cold bosonic atoms in optical lattices
- A High Phase-Space-Density Gas of Polar Molecules
- Bose-Einstein condensation of chromium
- Quantum Monte Carlo with Directed Loops
- Quantum phases of dipolar bosons in optical lattices
- Optical Production of Ultracold Polar Molecules
- Exact, Complete, and Universal Continuous-Time Worldline Monte Carlo Approach to the Statistics of Discrete Quantum Systems
- Critical behavior of the three-dimensional XY universality class
- Supersolid hardcore bosons on the triangular lattice
- A Finite Size Scaling Study of Lattice Models in the three-dimensional Ising Universality Class
- Quantum Phases of Cold Polar Molecules in 2D Optical Lattices
- Monte Carlo study of two-dimensional Bose-Hubbard model
- Ultracold dense gas of deeply bound heteronuclear molecules
- Phase separation in supersolids
- Supersolids versus phase separation in two-dimensional lattice bosons
- Luttinger Liquid in the Core of Screw Dislocation in Helium-4
- Supersolid phase of hardcore bosons on triangular lattice
- Supersolid phase with cold polar molecules on a triangular lattice
- On the Supersolid State of Matter
- Superfluidity of Grain Boundaries in Solid Helium-4
- The fate of vacancy-induced supersolidity in 4He
- Recent Developments of World-Line Monte Carlo Methods
- Supersolid phases in the one dimensional extended soft core Bosonic Hubbard model
- Quantum-Phase Transitions of Interacting Bosons and the Supersolid Phase
- Novel quantum phases of dipolar Bose gases in optical lattices
- Density wave and supersolid phases of correlated bosons in an optical lattice
- Stability of superfluid and supersolid phases of dipolar bosons in optical lattices
- Kosterlitz-Thouless transition of quantum XY model in two dimensions
- Route to supersolidity for the extended Bose-Hubbard model
- Dipolar Bosons in Triangular Optical Lattices: Quantum Phase Transitions and Anomalous Hysteresis
- Vacancy supersolid of hard-core bosons on the square lattice
- Commensurate Supersolid of Three-Dimensional Lattice Bosons
- Successive phase transitions at finite temperatures of the supersolid in the three-dimensional extended Bose-Hubbard model
- Supersolid of Hardcore Bosons on the Face Centered Cubic Lattice
- Global phase diagram of three-dimensional extended Boson Hubbard model - a continuous time Quantum Monte Carlo study
- Gutzwiller study of extended Hubbard models with fixed boson densities
- Novel Mechanism of Supersolid of Ultracold Polar Molecules in Optical Lattices
- Finite-Size Scaling for Quantum Criticality above the Upper Critical Dimension: Superfluid-Mott-Insulator Transition in Three Dimensions
Cited by in corpus (36)
- Tweezer-programmable 2D quantum walks in a Hubbard-regime lattice
- Moiré-Bose-Hubbard model for interlayer excitons in twisted transition metal dichalcogenide heterostructures
- Phase Diagram of Bosons in a 2D Optical Lattice with infinite-range Cavity-mediated Interactions
- Competing Supersolid and Haldane Insulator phases in the extended one-dimensional bosonic Hubbard model
- Dissipation through localised loss in bosonic systems with long-range interactions
- Supersolid phase of the extended Bose-Hubbard model with an artificial gauge field
- Staggered superfluid phases of dipolar bosons in two-dimensional square lattices
- Competing phases, phase separation and co-existence in the extended one-dimensional bosonic Hubbard model
- Mean-field phase diagram of ultracold atomic gases in cavity quantum electrodynamics
- Mean-field study of the Bose-Hubbard model in Penrose lattice
- Mean-field phases of an ultracold gas in a quasicrystalline potential
- Dynamics of first-order quantum phase transitions in extended Bose-Hubbard model: From density wave to superfluid and vice-versa
- Quantum phases of hard-core bosons on 2D lattices with anisotropic dipole-dipole interaction
- Out-of-equilibrium dynamics of multiple second-order quantum phase transitions in extended Bose-Hubbard model: Superfluid, supersolid and density wave
- Trimer superfluid and supersolid on two-dimensional optical lattices
- Staggered Ground States in an Optical Lattice
- Tunneling frustration induced peculiar supersolid phases in the extended Bose-Hubbard model
- Quantum phases of bosonic chiral molecules in helicity lattices
- Disordered Supersolids in the Extended Bose-Hubbard Model
- Haldane Insulator in the 1D Nearest-Neighbor Extended Bose-Hubbard Model with Cavity-Mediated Long-Range Interactions
- Anomalous supersolidity in a weakly interacting dipolar Bose mixture on a square lattice
- A quantum Monte Carlo algorithm for Bose-Hubbard models on arbitrary graphs
- Extended Bose-Hubbard models with Rydberg macrodimer dressing
- Spin-1 Bose Hubbard model with nearest neighbour extended interaction
- Decay-dephasing-induced steady states in bosonic Rydberg-excited quantum gases in an optical lattice
- Dipolar Bose-Hubbard Model in finite-size real-space cylindrical lattices
- Phase Stability in the Two dimensional Anisotropic Boson Hubbard Hamiltonian
- Trion formation and unconventional superconductivity in a three-dimensional model with short-range attraction
- Competing order in two-band Bose-Hubbard chains with extended-range interactions
- Generalized effective-potential Landau theory for the two-dimensional extended Bose-Hubbard model
- Bose-Einstein condensation in exotic lattice geometries
- Encoding strongly-correlated many-boson wavefunctions on a photonic quantum computer: application to the attractive Bose-Hubbard model
- Finite temperature phase diagram of the extended Bose-Hubbard model in the presence of disorder
- Generalized effective-potential Landau theory for a tunable state-dependent hexagonal optical lattice
- Finite temperature phases and excitations of bosons on a square lattice: A cluster mean field study
- Excitation spectrum and momentum distribution of the ionic Bose-Hubbard model