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

Dynamics below the depinning threshold in disordered elastic systems.

Alejandro B Kolton1, Alberto Rosso, Thierry Giamarchi

  • 1DPMC-MaNEP University of Geneva, 24 Quai Ernest Ansermet, 1211 Geneva 4, Switzerland.

Physical Review Letters
|October 10, 2006
PubMed
Summary
This summary is machine-generated.

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

Uncertainty in AI-driven Monte Carlo simulations.

Physical review. E·2026
Same author

Quench Instabilities of a Strongly Interacting Quantum Gas in an Optical Cavity.

Physical review letters·2026
Same author

Anomalous Critical Behavior of Driven Disordered Systems Beyond the Overdamped Limit.

Physical review letters·2026
Same author

Discontinuity in the distribution of field increments between avalanches in the non-Abelian random field Blume-Emery-Griffiths model with no passing violation.

Physical review. E·2026
Same author

Probing universal phase diagram of dimensional crossover with an atomic quantum simulator.

Nature communications·2026
Same author

Localization Transition for Interacting Quantum Particles in Colored-Noise Disorder.

Physical review letters·2026
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

This study reveals that below the depinning threshold, the steady-state dynamics of an elastic line in a disordered medium are dominated by a single configuration. No critical length scale diverges as the threshold is approached.

Area of Science:

  • Condensed matter physics
  • Statistical mechanics

Background:

  • Studying the dynamics of elastic lines in disordered media is crucial for understanding phenomena like magnetic domain wall motion.
  • The behavior below the depinning threshold, particularly at low temperatures, presents unique challenges due to the dominance of metastable states.

Purpose of the Study:

  • To investigate the steady-state low-temperature dynamics of an elastic line in a disordered medium.
  • To identify and analyze the dominant configuration and its geometrical properties below the depinning threshold.
  • To determine if any length scales diverge as the depinning threshold is approached from below.

Main Methods:

  • Development of an exact algorithm to target the dominant steady-state configuration.
  • Analysis of the geometrical properties of the dominant configuration as a function of driving force.

Related Experiment Videos

  • Investigation of the system's behavior in the limit of temperature approaching zero (T-->0).

    • Main Results:

    • The steady state at low temperatures (T-->0) is dominated by a single configuration with probability 1.
    • The roughness exponent of the elastic line at large scales is found to be identical to that at the depinning threshold.
    • No characteristic length scale diverges in the steady-state regime when approaching the depinning threshold from the disordered side.

    Conclusions:

    • The low-temperature steady state below the depinning threshold is non-trivial and characterized by a single dominant configuration.
    • The universality of the roughness exponent suggests similarities between equilibrium and driven steady states.
    • A divergent length scale is observed, but it is related to transient relaxation dynamics between metastable states, not critical behavior at the threshold.