Stability of superfluid and supersolid phases of dipolar bosons in optical lattices

Abstract

We perform a stability analysis of superfluid (SF) and supersolid (SS) phases of polarized dipolar bosons in two-dimensional optical lattices at high filling factors and zero temperature, and obtain the phase boundaries between SF, checkerboard SS (CSS), striped SS (SSS), and collapse. We show that the phase diagram can be explored through the application of an external field and the tuning of its direction with respect to the optical lattice plane. In particular, we find a transition between the CSS and SSS phases.

4 pages, 3 figures, published version

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• Bose-Einstein condensation of chromium
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• Observation of dipole-dipole interaction in a degenerate quantum gas
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• First-order phase transition and anomalous hysteresis of Bose gases in optical lattices
• Bosons with long range interactions on two-leg ladders in artificial magnetic fields
• Staggered superfluid phases of dipolar bosons in two-dimensional square lattices
• Equilibrium Phases of Tilted Dipolar Lattice Bosons
• Two-dimensional Bose gas of tilted dipoles: roton instability and condensate depletion
• Detecting One-Dimensional Dipolar Bosonic Crystal Orders via Full Distribution Functions
• Quasiequilibrium supersolid phase of a two-dimensional dipolar crystal
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• Critical velocity of flowing supersolids of dipolar Bose gases in optical lattices
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• Metastable Patterns in one- and two-component dipolar Bose-Einstein Condensates
• Supersolid phase in atomic gases with magnetic dipole interaction
• Quantum phases of hard-core bosons on 2D lattices with anisotropic dipole-dipole interaction
• Supersolid phases of lattice dipoles tilted in three-dimensions
• Dipolar fermions in a two-dimensional lattice at non-zero temperature
• Magnon Supersolid and Anomalous Hysteresis in Spin Dimers on a Triangular Lattice
• Fluctuation-induced and symmetry-prohibited metastabilities in spinor Bose-Einstein condensates
• Equilibrium Properties of a Trapped Dipolar Fermion at Finite Temperatures
• Anharmonicity Induced Supersolidity In Spin-Orbit Coupled Bose-Einstein Condensates
• Detecting the superfluid critical momentum of Bose gases in optical lattices through dipole oscillations
• Ground states of 2D tilted dipolar bosons with density-induced hopping
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• Inhomogeneous hard-core bosonic mixture with checkerboard supersolid phase: Quantum and thermal phase diagram
• Two supersolid phases in hard-core extended Bose-Hubbard model
• Enhanced repulsively bound atom pairs in topological optical lattice ladders
• Spin supersolid phase in coupled alternating spin chains
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• Strongly interacting bosons in a 1D optical lattice at incommensurate densities
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• Supersolid and charge density-wave states from anisotropic interaction in an optical lattice
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• Quantum phases of lattice dipolar bosons coupled to a high-finesse cavity
• Anomalous supersolidity in a weakly interacting dipolar Bose mixture on a square lattice
• Density-wave-type supersolid of two-dimensional tilted dipolar bosons
• Dipolar Bose-Hubbard Model in finite-size real-space cylindrical lattices
• Topological Supersolidity of Dipolar Fermi Gases in a Spin-Dependent Optical Lattice
• Competing Orders in a Dipolar Bose-Fermi Mixture on a Square Optical Lattice: Mean-Field Perspective
• Phase Stability in the Two dimensional Anisotropic Boson Hubbard Hamiltonian
• Phase diagram of dipolar hard-core bosons on honeycomb lattice
• Ultracold and dense samples of ground-state molecules in lattice potentials
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• ${\mathbb{Z}}_n$ symmetry broken supersolid in spin-orbit-coupled Bose-Einstein condensates
• Analysis of shape change of droplet in dipolar Bose-Hubbard model
• Supersolid Devil's Staircases of Spin-Orbit-Coupled Bosons in Optical Lattices
• Miscibility-Immiscibility transition of strongly interacting bosonic mixtures in optical lattices