Density-wave-type supersolid of two-dimensional tilted dipolar bosons

• URL: http://arxiv.org/abs/2312.01716v2
• Date: Tue, 5 Dec 2023 15:43:00 GMT
• Title: Density-wave-type supersolid of two-dimensional tilted dipolar bosons
• Authors: A.N. Aleksandrova, I.L. Kurbakov, A.K. Fedorov, Yu.E. Lozovik
• Abstract summary: We predict a stable density-waves-type supersolid phase of a dilute gas of tilted dipolar bosons in a two-dimensional (2D) geometry. This many-body phase is manifested by the formation of the stripe pattern and elasticity coexisting together with the Bose-Einstein condensation and superfluidity at zero temperature. The predicted supersolid effect can be realized in a variety of experimental setups ranging from excitons in heterostructures to cold atoms and polar molecules in optical potentials.
• Score: 0.6562256987706128
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We predict a stable density-waves-type supersolid phase of a dilute gas of tilted dipolar bosons in a two-dimensional (2D) geometry. This many-body phase is manifested by the formation of the stripe pattern and elasticity coexisting together with the Bose-Einstein condensation and superfluidity at zero temperature. With the increasing the tilting angle the type of the gas-supersolid transition changes from the first order to the second one despite the 2D character of the system, whereas the anisotropy and many-body stabilizing interactions play crucial role. Our approach is based on the numerical analysis of the phase diagram using the simulated annealing method for a free-energy functional. The predicted supersolid effect can be realized in a variety of experimental setups ranging from excitons in heterostructures to cold atoms and polar molecules in optical potentials.

Related papers

• Merging Dipolar Supersolids in a Double-Well Potential [1.9688252014450927]
  We investigate the merging behaviour of two identical supersolids through dipolar Bose-Einstein condensates confined within a double-well potential. By adiabatically tuning the barrier height and the spacing between the two wells, the two supersolids move toward each other and lead to the emergence of a variety of ground state phases. We calculate the force required to pull the two portions of the gas apart, finding that the merged supersolids act like a deformable plastic material.
  arXiv  Detail & Related papers  (2023-10-30T21:13:15Z)
• Higher-order topological Peierls insulator in a two-dimensional atom-cavity system [58.720142291102135]
  We show how photon-mediated interactions give rise to a plaquette-ordered bond pattern in the atomic ground state. The pattern opens a non-trivial topological gap in 2D, resulting in a higher-order topological phase hosting corner states. Our work shows how atomic quantum simulators can be harnessed to investigate novel strongly-correlated topological phenomena.
  arXiv  Detail & Related papers  (2023-05-05T10:25:14Z)
• Exploring phonon-like interactions in one-dimensional Bose-Fermi mixtures [0.0]
  We investigate a cold atomic Bose-Fermi mixture confined in an optical lattice potential solely affecting the bosons. Under attractive Bose-Fermi interaction, the insulating phase may adopt a fermionic wedding-cake-like configuration. For repulsive interaction, the trap destabilizes the Peierls phase, causing the two species to separate.
  arXiv  Detail & Related papers  (2023-03-13T13:08:02Z)
• Ground-state stability and excitation spectrum of a one-dimensional dipolar supersolid [0.0]
  We study the excitation spectrum across the quantum phase transition from a superfluid to a supersolid phase of a dipolar Bose gas confined to a one-dimensional geometry. We find fast convergence of the ground-state energy in the supersolid with the number of order parameters.
  arXiv  Detail & Related papers  (2022-11-30T17:22:50Z)
• Phase diagram of Rydberg-dressed atoms on two-leg triangular ladders [50.591267188664666]
  We investigate the phase diagram of hard-core bosons in a triangular ladder with next-to-nearest-neighbor interaction along each leg. For weak interactions, Abelian bosonization predicts a spin density wave and a fully gapless Luttinger liquid phase. The competition with the zigzag interaction generates a charge density wave, a 'polarized holonic' phase, and a crystalline phase at the filling 2/5.
  arXiv  Detail & Related papers  (2022-07-01T12:49:04Z)
• Photoinduced prethermal order parameter dynamics in the two-dimensional large-$N$ Hubbard-Heisenberg model [77.34726150561087]
  We study the microscopic dynamics of competing ordered phases in a two-dimensional correlated electron model. We simulate the light-induced transition between two competing phases.
  arXiv  Detail & Related papers  (2022-05-13T13:13:31Z)
• Clean two-dimensional Floquet time-crystal [68.8204255655161]
  We consider the two-dimensional quantum Ising model, in absence of disorder, subject to periodic imperfect global spin flips. We show by a combination of exact diagonalization and tensor-network methods that the system can sustain a spontaneously broken discrete time-translation symmetry. We observe a non-perturbative change in the decay rate of the order parameter, which is related to the long-lived stability of the magnetic domains in 2D.
  arXiv  Detail & Related papers  (2022-05-10T13:04:43Z)
• Topological transitions with continuously monitored free fermions [68.8204255655161]
  We show the presence of a topological phase transition that is of a different universality class than that observed in stroboscopic projective circuits. We find that this entanglement transition is well identified by a combination of the bipartite entanglement entropy and the topological entanglement entropy.
  arXiv  Detail & Related papers  (2021-12-17T22:01:54Z)
• Quantum correlations, entanglement spectrum and coherence of two-particle reduced density matrix in the Extended Hubbard Model [62.997667081978825]
  We study the ground state properties of the one-dimensional extended Hubbard model at half-filling. In particular, in the superconducting region, we obtain that the entanglement spectrum signals a transition between a dominant singlet (SS) to triplet (TS) pairing ordering in the system.
  arXiv  Detail & Related papers  (2021-10-29T21:02:24Z)
• Stability and dynamics across magnetic phases of vortex-bright type excitations in spinor Bose-Einstein condensates [0.0]
  Linearly stable vortex-bright-vortex and bright-vortex-bright solutions arise in antiferromagnetic and ferromagnetic spinor gases. Their deformations across the relevant transitions are exposed and discussed in detail evincing that emergent instabilities can lead to pattern formation.
  arXiv  Detail & Related papers  (2021-09-15T16:16:33Z)
• Spin and density self-ordering in dynamic polarization gradients fields [0.0]
  We study the zero-temperature quantum phase diagram for a two-component Bose-Einstein condensate in an optical cavity. The two atomic spin states are Raman coupled by two transversely-polarized, blue detuned plane-wave lasers inducing a repulsive cavity potential. We show that the atom-cavity system implements central aspects of the $t$-$J$-$V$-$W$ model with a rich phase diagram.
  arXiv  Detail & Related papers  (2020-06-30T07:41:43Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.