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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Active and passive microrheology with large tracers in hard colloids.

The Journal of chemical physics·2023
Same author

Dynamics and friction of a large colloidal particle in a bath of hard spheres: Langevin dynamics simulations and hydrodynamic description.

Physical review. E·2020
Same author

A model for foreign exchange markets based on glassy Brownian systems.

PloS one·2017
Same author

Diffusive and Arrestedlike Dynamics in Currency Exchange Markets.

Physical review letters·2017
Same author

Active microrheology in a colloidal glass.

Physical review. E·2016
Same author

Microrheology of colloidal systems.

Journal of physics. Condensed matter : an Institute of Physics journal·2014
Same journal

Erratum: Low-dimensional model for adaptive networks of spiking neurons [Phys. Rev. E 111, 014422 (2025)].

Physical review. E·2026
Same journal

Disentangling the effects of many-body forces on depletion interactions.

Physical review. E·2026
Same journal

Charge transport and mode transition in dual-energy electron beam diodes.

Physical review. E·2026
Same journal

Optimization of multisite reactions in complex compartmentalized media.

Physical review. E·2026
Same journal

Origin of geometric cohesion in nonconvex granular materials: Interplay between interdigitation and rotational constraints enhancing frictional stability.

Physical review. E·2026
Same journal

Interaction of walkers with a standing Faraday wave.

Physical review. E·2026
See all related articles

Related Experiment Video

Updated: Dec 28, 2025

In Situ Mapping of the Mechanical Properties of Biofilms by Particle-tracking Microrheology
12:58

In Situ Mapping of the Mechanical Properties of Biofilms by Particle-tracking Microrheology

Published on: December 4, 2015

10.1K

Critical force in active microrheology.

M Gruber1, A M Puertas2, M Fuchs1

  • 1Fachbereich Physik, Universität Konstanz, 78457 Konstanz, Germany.

Physical Review. E
|February 20, 2020
PubMed
Summary
This summary is machine-generated.

Researchers studied the depinning transition in soft solids, finding a continuous dynamic transition. This transition, characterized by a critical power-law decay, was verified by simulations and methods were proposed to extract critical force from experimental data.

More Related Videos

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions
11:38

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Published on: April 19, 2018

8.3K
Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix
09:13

Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix

Published on: July 10, 2020

3.4K

Related Experiment Videos

Last Updated: Dec 28, 2025

In Situ Mapping of the Mechanical Properties of Biofilms by Particle-tracking Microrheology
12:58

In Situ Mapping of the Mechanical Properties of Biofilms by Particle-tracking Microrheology

Published on: December 4, 2015

10.1K
Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions
11:38

Combining Microfluidics and Microrheology to Determine Rheological Properties of Soft Matter during Repeated Phase Transitions

Published on: April 19, 2018

8.3K
Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix
09:13

Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix

Published on: July 10, 2020

3.4K

Area of Science:

  • Soft matter physics
  • Rheology
  • Statistical mechanics

Background:

  • Soft solids, like colloidal glasses, exhibit a yield stress, transitioning from solid-like to liquid-like behavior.
  • Microrheology studies particle dynamics in such materials, where tracer particle untrapping signifies flow onset.
  • This untrapping is analogous to a particle exceeding a threshold force in a glassy medium.

Purpose of the Study:

  • To characterize the delocalization transition in soft solids.
  • To analyze the critical dynamics and power-law behavior of probe correlation functions.
  • To develop and validate methods for extracting critical force from experimental data.

Main Methods:

  • Bifurcation analysis of mode-coupling theory equations.
  • Analytical treatment of a schematic model.
  • Numerical study of the full physical model.
  • Langevin dynamics simulations.
  • Finite-time analysis for simulations.

Main Results:

  • A continuous dynamic transition with a critical power-law decay (exponent -1/2) was identified.
  • Finite-time analysis provided reasonable results for larger wave vectors.
  • Anomalous behavior was observed for small wave vectors due to critical amplitude divergence.
  • Three experimental methods for critical force extraction were proposed and validated.

Conclusions:

  • The study elucidates the critical dynamics of the delocalization transition in soft solids.
  • Theoretical predictions were confirmed by numerical simulations.
  • Effective methods for experimental determination of critical force were established.