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Classical and Quantum Gases on a Semiregular Mesh
Published 2021-10-01Subjects: Get full text
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Disordered structures in ultracold spin-imbalanced Fermi gas
Published 2023-01-01Subjects: Get full text
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On the Phase Diagrams of 4He Adsorbed on Graphene and Graphite from Quantum Simulation Methods
Published 2018-05-01Subjects: Get full text
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Ground state properties of soft core bosons on a two-dimensional honeycomb lattice
Published 2012“…We pay particular attention to the supersolid phase. At maximum occupancy of 2 bosons per site, we observe a ρ = 1/2 solid which undergoes a continuous phase transition to a superfluid. …”
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Control of ^{164}Dy Bose-Einstein condensate phases and dynamics with dipolar anisotropy
Published 2022-11-01“…The crossover from the superfluid to the supersolid phase and to single and droplet arrays is probed with particle number and dipolar interaction. …”
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Quantum phases of Bose–Bose mixtures in an optical lattice with artificial magnetic flux
Published 2023-10-01“…These include the emergence of the jagged density-wave supersolid(SS) phase, the latticed-like density-wave SS phase, and counterflow superfluid (CFSF) phase. …”
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The Effect of Disorder on the Phase Diagrams of Hard-Core Lattice Bosons With Cavity-Mediated Long-Range and Nearest-Neighbor Interactions
Published 2020-01-01“…Our study shows the system is in a supersolid phase at weak disorder and a disordered solid phase at stronger disorder. …”
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Quantum phases of dipolar soft-core bosons
Published 2014“…Besides a superfluid phase, we find various solid and supersolid phases. We show that, unlike what was found previously for the case of nearest-neighbor interaction, supersolid phases are stabilized by doping the solids not only with particles but with holes as well. …”
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Magnetic phases in the S=1 Shastry-Sutherland model with uniaxial anisotropy
Published 2014“…The full momentum dependence of the longitudinal and transverse components of the static structure factor is calculated in the spin supersolid phase to demonstrate the simultaneous existence of diagonal and off-diagonal long-range order as well as the different longitudinal orderings.…”
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Bose-Fermi-Hubbard model on a lattice with two nonequivalent sublattices
Published 2011-12-01“…It is shown that in the case of anisotropic hopping, the region of the supersolid phase existence is possible for a smaller parameter space.…”
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Fracton-elasticity duality of two-dimensional superfluid vortex crystals: defect interactions and quantum melting
Published 2020-11-01“…We propose that the quantum melting of the vortex crystal towards the hexatic or smectic phase may occur via a pair of continuous transitions separated by an intermediate vortex supersolid phase.…”
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Heating a dipolar quantum fluid into a solid
Published 2023-04-01“…Usually, increasing the temperature of a system leads to disorder but supersolids can show the opposite trend. Here, the authors discuss the observation of a supersolid phase in a dilute gas of dysprosium atoms by increasing their temperature.…”
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Phenomenological XXZ model for the competition between superconductivity and charge order in cuprates
Published 2023-12-01“…While in the clean case charge order and superconductivity are separated by a first-order line which is nearly independent of temperature, in the presence of quenched disorder charge order is fragmented into domains separated by superconducting filaments reminiscent of the supersolid behaviour in $^4$He. Assuming weak interlayer couplings, the resulting phase diagram of the three-dimensional system is in good agreement with the experiments.…”
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Ultracold Bosons on a Regular Spherical Mesh
Published 2020-11-01“…Using the mean-field decoupling approximation, it is shown that the system may exist in various ground states, which can be regarded as analogs of gas, solid, supersolid, and superfluid. For one mesh, by comparing the theoretical results with the outcome of numerical diagonalization, I manage to uncover the signatures of diagonal and off-diagonal spatial orders in a finite quantum system.…”
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Muonium hydride: The lowest density crystal
Published 2021-05-01“…Despite the low density and particle mass, the melting temperature is surprisingly high (close to 9 K). No (metastable) supersolid phase is observed. We investigated the physical properties of nanoscale clusters (up to 200 particles) of muonium hydride and found the superfluid response to be greatly enhanced compared to that of parahydrogen clusters. …”
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Quantum phases of dipolar bosons in bilayer geometry
Published 2013-01-01“…Using exact theoretical techniques, we discuss the many-body effects resulting from the pairing of particles across layers at finite density, including a novel pair supersolid, superfluid and solid phases. These results are of direct relevance to experiments with polar molecules and atoms with large magnetic dipole moments trapped in optical lattices.…”
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Quantum phases of dipolar bosons in bilayer geometry
Published 2013“…Using exact theoretical techniques, we discuss the many-body effects resulting from the pairing of particles across layers at finite density, including a novel pair supersolid, superfluid and solid phases. These results are of direct relevance to experiments with polar molecules and atoms with large magnetic dipole moments trapped in optical lattices.…”
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Characterizing the phase diagram of finite-size dipolar Bose-Hubbard systems
Published 2020“…By analyzing the nonlocal correlations, we find that the appearance of supersolid order is very sensitive to boundary effects, which may render it difficult to observe in quantum gas lattice experiments with a few tens of particles. …”
Journal article