Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Superfluid-insulator transition in commensurate disordered bosonic systems: large-scale worm algorithm simulations.

Nikolay Prokof'ev1, Boris Svistunov

  • 1Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003, USA.

Physical Review Letters
|February 3, 2004
PubMed
Summary

Large-scale simulations reveal how disorder affects 2D bosonic systems. The study clarifies superfluid-insulator transitions, identifying distinct behaviors under different disorder types and critical exponents.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Universal Low-Temperature Depletion of Superfluid Density in the Absence of Galilean Symmetry.

Physical review letters·2026
Same author

Hydrodynamics of Borromean Counterfluids.

Physical review letters·2024
Same author

Superfluid Edge Dislocation: Transverse Quantum Fluid.

Physical review letters·2023
Same author

Fermi blockade of the strong electron-phonon interaction in modelled optimally doped high temperature superconductors.

Scientific reports·2021
Same author

Restoring a smooth function from its noisy integrals.

Physical review. E·2018
Same author

Quantum Walk in Degenerate Spin Environments.

Physical review letters·2016

Area of Science:

  • Condensed Matter Physics
  • Quantum Systems

Background:

  • Disordered quantum systems exhibit complex phase transitions.
  • Understanding superfluid-insulator transitions is crucial for quantum materials.

Purpose of the Study:

  • Investigate superfluid-insulator transitions in 2D disordered commensurate bosonic systems.
  • Characterize the nature of the insulating phases and their critical exponents.

Main Methods:

  • Large-scale Monte Carlo simulations were employed.
  • Analysis focused on systems with off-diagonal and diagonal disorder.

Main Results:

  • Off-diagonal disorder leads to a gapless incompressible insulator with z=1.5(2).
  • Diagonal disorder exhibits crossover to a generic universality class (z=2) due to rare fluctuations.

Related Experiment Videos

  • Universal behavior emerges only at large space-time scales, explaining prior observations.

    • Conclusions:

    • The type of disorder dictates the universality class of the transition.
    • Rare fluctuations play a critical role in the diagonal-disorder case.
    • Accurate characterization requires simulations at large system sizes and durations.