Pair-supersolid phase in a bilayer system of dipolar lattice bosons

Abstract

The competition between tunneling and interactions in bosonic lattice models generates a whole variety of different quantum phases. While, in the presence of a single species interacting via on-site interaction, the phase diagram presents only superfluid or Mott insulating phases, for long-range interactions or multiple species, exotic phases such as supersolid (SS) or pair-superfluid (PSF) appear. In this work, we show for the first time that the co-existence of effective multiple species and long-range interactions leads to the formation of a novel pair-supersolid (PSS) phase, namely a supersolid of composites. We propose a possible implementation with dipolar bosons in a bilayer two-dimensional optical lattice.

4 pages, 3 figures

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Cited by in corpus (76)

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• Ultracold Dipolar Gases in Optical Lattices
• Anomalous Behavior of Spin Systems with Dipolar Interactions
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• Dipolar Molecules in Optical Lattices
• Counterflow and paired superfluidity in one-dimensional Bose mixtures in optical lattices
• Mesoscopic ensembles of polar bosons in triple-well potentials
• Self-bound dipolar droplets and supersolids in molecular Bose-Einstein condensates
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• Quantum computing implementations with neutral particles
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• Observability of Quantum Criticality and a Continuous Supersolid in Atomic Gases
• Single-particle vs. pair superfluidity in a bilayer system of dipolar bosons
• Universal dimerized quantum droplets in a one-dimensional lattice
• Vortices and vortex lattices in quantum ferrofluids
• Synthetic dimensions in the strong-coupling limit: supersolids and pair-superfluids
• Progress towards quantum simulating the classical O(2) model
• Observation of interspecies Feshbach resonances in an ultracold ${}^{39}$K-${}^{133}$Cs mixture and refinement of interaction potentials
• Correlation effects and collective excitations in bosonic bilayers: role of quantum statistics, superfluidity and dimerization transition
• Quantum Field Theory for the Three-Body Constrained Lattice Bose Gas -- Part II: Application to the Many-Body Problem
• Supersolid phases of dipolar bosons in optical lattices with a staggered flux
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• Strong-coupling expansion for the two-species Bose-Hubbard model
• Detection of Pair-Superfluidity for bosonic mixtures in optical lattices
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• Superfluidity of flexible chains of polar molecules
• Detecting paired and counterflow superfluidity via dipole oscillations
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• Short-range Photoassociation of LiRb
• Quantum magnetism of ultracold atoms with a dynamical pseudospin degree of freedom
• Quantum phases of a one-dimensional dipolar Fermi gas
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• Quantum phases of dipolar bosons in multilayer optical lattice
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• Competing supersolids of Bose-Bose mixtures in a triangular lattice
• The $C{}^1{\Sigma }^{+}$, $A{}^1{\Sigma }^{+}$, and $b{}^3{\Pi }_{0^{+}}$ states of LiRb
• Mott insulator phases of non-locally coupled bosons in bilayer optical superlattices
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• Competing order in two-band Bose-Hubbard chains with extended-range interactions
• Bose-Hubbard model with occupation-parity couplings
• Triplet Superfluidity on a triangular ladder with dipolar fermions
• Formation of paired phases of bosons and their excitations in a square lattice
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• Density of states and excitonic condensation in the double layer correlated systems
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