Staggered quantum phases of dipolar bosons at finite temperatures

• URL: http://arxiv.org/abs/2211.04821v2
• Date: Wed, 7 Dec 2022 04:38:13 GMT
• Title: Staggered quantum phases of dipolar bosons at finite temperatures
• Authors: Kuldeep Suthar and Kwai-Kong Ng
• Abstract summary: We study finite-temperature phase transitions of quantum phases of dipolar bosons in a two-dimensional optical lattice. We estimate the critical temperature of the staggered superfluid to normal fluid transition and show that this transition is of the Kosterlitz-Thouless type. Our study paves a way to observe novel staggered quantum phases in recent dipolar optical lattice experiments.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The extended Bose-Hubbard model with correlated tunneling exhibits staggered superfluid and supersolid quantum phases. We study finite-temperature phase transitions of quantum phases of dipolar bosons in a two-dimensional optical lattice using Gutzwiller mean-field and quantum Monte Carlo approaches. When nearest-neighbor repulsion is comparable to the on-site interaction, we find that the two topologically distinct superfluids are separated by a normal fluid phase, while at stronger off-site interactions, density-modulated insulating quantum phases appear. We estimate the critical temperature of the staggered superfluid to normal fluid transition and show that this transition is of the Kosterlitz-Thouless type. Finally, we elucidate the coexistence of staggered quantum phases in the presence of an external trapping potential. Our study paves a way to observe novel staggered quantum phases in recent dipolar optical lattice experiments.

Related papers

• A phase microscope for quantum gases [0.0]
  Coherence properties are central to quantum systems and are at the heart of phenomena such as superconductivity. We study coherence properties of an ultracold Bose gas in a two-dimensional optical lattice across the thermal phase transition.
  arXiv  Detail & Related papers  (2024-10-14T15:17:45Z)
• Experimental observation of spontaneous symmetry breaking in a quantum phase transition [2.2706551270477613]
  Spontaneous symmetry breaking plays a central role in understanding a large variety of phenomena associated with phase transitions. We report an experimental demonstration of such a process with a quantum Rabi model engineered with a superconducting circuit. Results demonstrate that the environment-induced decoherence plays a critical role in the SSB.
  arXiv  Detail & Related papers  (2024-06-28T03:14:27Z)
• Probing quantum floating phases in Rydberg atom arrays [61.242961328078245]
  We experimentally observe the emergence of the quantum floating phase in 92 neutral-atom qubits. The site-resolved measurement reveals the formation of domain walls within the commensurate ordered phase. As the experimental system sizes increase, we show that the wave vectors approach a continuum of values incommensurate with the lattice.
  arXiv  Detail & Related papers  (2024-01-16T03:26:36Z)
• Multicritical dissipative phase transitions in the anisotropic open quantum Rabi model [0.7499722271664147]
  We investigate the nonequilibrium steady state of the anisotropic open quantum Rabi model. We find a rich phase diagram resulting from the interplay between the anisotropy and the dissipation. Our study enlarges the scope of critical phenomena that may occur in finite-component quantum systems.
  arXiv  Detail & Related papers  (2023-11-19T15:13:57Z)
• Multipartite Entanglement in the Measurement-Induced Phase Transition of the Quantum Ising Chain [77.34726150561087]
  External monitoring of quantum many-body systems can give rise to a measurement-induced phase transition. We show that this transition extends beyond bipartite correlations to multipartite entanglement.
  arXiv  Detail & Related papers  (2023-02-13T15:54:11Z)
• Kagome qubit ice [55.73970798291771]
  Topological phases of spin liquids with constrained disorder can host a kinetics of fractionalized excitations. We present a realization of kagome spin ice in the superconducting qubits of a quantum annealer. We show evidence of both the Ice-I phase and an unconventional field-induced Ice-II phase.
  arXiv  Detail & Related papers  (2023-01-04T23:46:48Z)
• Thermodynamic Phase Diagram of Two-Dimensional Bosons in a Quasicrystal Potential [0.0]
  We determine the thermodynamic phase diagram of interacting bosons in a two-dimensional, homogeneous quasicrystal potential. Our results are found using quantum Monte Carlo simulations. In particular, we demonstrate stabilization of a genuine Bose glass phase against the normal fluid in sizable parameter ranges.
  arXiv  Detail & Related papers  (2022-10-27T15:09:36Z)
• Tuning long-range fermion-mediated interactions in cold-atom quantum simulators [68.8204255655161]
  Engineering long-range interactions in cold-atom quantum simulators can lead to exotic quantum many-body behavior. Here, we propose several tuning knobs, accessible in current experimental platforms, that allow to further control the range and shape of the mediated interactions.
  arXiv  Detail & Related papers  (2022-03-31T13:32:12Z)
• Phase diagram of Rydberg-dressed atoms on two-leg square ladders: Coupling supersymmetric conformal field theories on the lattice [52.77024349608834]
  We investigate the phase diagram of hard-core bosons in two-leg ladders in the presence of soft-shoulder potentials. We show how the competition between local and non-local terms gives rise to a phase diagram with liquid phases with dominant cluster, spin, and density-wave quasi-long-range ordering.
  arXiv  Detail & Related papers  (2021-12-20T09:46:08Z)
• Observation of a non-Hermitian phase transition in an optical quantum gas [0.0]
  Quantum gases of light, as photons or polariton condensates in optical microcavities, are collective quantum systems. We experimentally demonstrate a non-Hermitian phase transition of a photon Bose-Einstein condensate to a new dissipative phase.
  arXiv  Detail & Related papers  (2020-10-29T17:59:10Z)
• Exploring 2D synthetic quantum Hall physics with a quasi-periodically driven qubit [58.720142291102135]
  Quasi-periodically driven quantum systems are predicted to exhibit quantized topological properties. We experimentally study a synthetic quantum Hall effect with a two-tone drive.
  arXiv  Detail & Related papers  (2020-04-07T15:00:41Z)

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.