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

Particles sliding on a fluctuating surface: phase separation and power laws

Das1, Barma

  • 1Department of Theoretical Physics, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005, India.

Physical Review Letters
|September 6, 2000
PubMed
Summary

This study investigates hard-core particles on a fluctuating surface, revealing density coarsening and scaling behavior. Unusual fluctuations in the order parameter and a cusp in correlations suggest power-law cluster size distributions.

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

A minor coumarino-lignoid from Jatropha gossypifolia.

Biochemical systematics and ecology·2000
Same author

Removal of Cr(VI) from Aqueous Solution Using Activated Cow Dung Carbon.

Journal of colloid and interface science·2000
Same author

The Angel Wings Das Devices for Atrial Septal Defect Closure.

Current interventional cardiology reports·2000
Same author

A New Type of Supramolecular Compound: Molybdenum-Oxide-Based Composites Consisting of Magnetic Nanocapsules with Encapsulated Keggin-Ion Electron Reservoirs Cross-Linked to a Two-Dimensional Network We thank Prof. Dr. H. U. Güdel (Bern), Dr. L. Cronin (Birmingham), and Dr. E. Diemann (Bielefeld) for helpful discussions.

Angewandte Chemie (International ed. in English)·2000
Same author

Phase transition in the takayasu model with desorption

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2000
Same author

Ordering dynamics of heisenberg spins with torque: crossover, spin waves, and defects

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2000

Area of Science:

  • Statistical physics
  • Condensed matter physics
  • Surface science

Background:

  • Studying particle systems on surfaces is crucial for understanding phenomena like crystal growth and material self-assembly.
  • Fluctuating surfaces introduce complex dynamics not present in flat substrates.

Purpose of the Study:

  • To investigate the coarsening dynamics of hard-core particles on a 1D fluctuating surface without overall tilt.
  • To characterize the scaling behavior and steady-state properties of this system.
  • To explore the relationship between particle clustering and surface morphology.

Main Methods:

  • Numerical simulations of a 1D system with hard-core particles sliding on a fluctuating surface.
  • Analysis of density coarsening, scaling laws, structure factor, and correlation functions.

Related Experiment Videos

  • Comparison with exact results from a related model of surface depths.

    • Main Results:

    • Observed density coarsening obeying scaling with a length scale proportional to t(1/z), where z is the dynamical exponent.
    • Structure factor deviates from the Porod law, indicating non-standard surface morphology.
    • Steady-state exhibits strong fluctuations in the density-segregation order parameter.
    • Two-point correlation function shows a scaling form with a cusp, linked to power-law cluster size distribution.

    Conclusions:

    • The system exhibits complex coarsening dynamics driven by surface fluctuations.
    • The observed deviations from standard laws (Porod law) and unusual steady-state behavior highlight the unique nature of this particle-surface interaction.
    • The findings provide insights into particle aggregation and cluster formation on disordered substrates.