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

Structural arrest in dense star-polymer solutions.

G Foffi1, F Sciortino, P Tartaglia

  • 1Dipartimento di Fisica and INFM Center for Statistical Mechanics and Complexity, Università di Roma La Sapienza, Piazzale Aldo Moro 2, I-00185 Rome, Italy.

Physical Review Letters
|July 15, 2003
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

Self-assembly and non-equilibrium phase coexistence in a binary granular mixture.

The Journal of chemical physics·2025
Same author

Non-equilibrium coexistence between a fluid and a hotter or colder crystal of granular hard disks.

The Journal of chemical physics·2025
Same author

Interplay between an Absorbing Phase Transition and Synchronization in a Driven Granular System.

Physical review letters·2024
Same author

Interpenetrating gels in binary suspensions of DNA nanostars.

The Journal of chemical physics·2022
Same author

All-DNA System Close to the Percolation Threshold.

ACS macro letters·2022
Same author

Building up DNA, bit by bit: a simple description of chain assembly.

Soft matter·2021
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

Star polymer dynamics reveal complex diffusion behaviors influenced by branching and concentration. Mode-coupling theory accurately predicts these behaviors, explaining arrested states in polymer solutions.

Area of Science:

  • Polymer Physics
  • Soft Matter Science
  • Computational Chemistry

Background:

  • Star polymers exhibit unique dynamic properties due to their branched architecture.
  • Understanding their behavior is crucial for designing advanced materials and solutions.

Purpose of the Study:

  • To investigate the dynamics of star polymers across various functionalities and concentrations.
  • To compare simulation results with theoretical predictions for diffusion behavior.

Main Methods:

  • Extensive molecular dynamics simulations.
  • Brownian dynamics simulations.
  • Analysis of isodiffusivity curves.

Main Results:

  • Isodiffusivity curves show minima and maxima as a function of packing fraction (eta) and functionality (f).

Related Experiment Videos

  • Simulation results align with theoretical predictions using different structure factor approximations.
  • The ideal glass transition line from mode-coupling theory precisely matches the isodiffusivity curves.

    • Conclusions:

    • Mode-coupling theory provides a theoretical framework for understanding disordered arrested states in star-polymer solutions.
    • The study elucidates the complex interplay between star polymer architecture and solution dynamics.