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 of a penta-hepta defect in a hexagonal pattern

Tam1, Ohata, Wu

  • 1Department of Physics, Occidental College, Los Angeles, California 90041, USA.

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
|October 25, 2000
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

Relaxation Spectra and Viscoelastic Behavior of a Model Hydrophobically Modified Alkali-Soluble Emulsion (HASE) Polymer in Salt/SDS Solutions.

Journal of colloid and interface science·2000
Same author

Intracoronary brachytherapy with a new 32P balloon catheter device. Histologic results from the porcine stent model.

Cardiovascular radiation medicine·2000
Same author

Robust photonic band gap from tunable scatterers

Physical review letters·2000
Same author

Near-Infrared Laser Spectroscopy of TiS: The b(1)Pi-X(3)Delta Transition.

Journal of molecular spectroscopy·2000
Same author

Near-Infrared Laser Spectroscopy of the C(3)Delta-X(3)Delta Transition of TiS.

Journal of molecular spectroscopy·1999
Same author

Studies on Methicillin-Resistant Staphylococcus aureus Bacteremia Due to Laboratory Medical Analysis.

Rinsho Biseibutsu Jinsoku Shindan Kenkyukai shi = JARMAM : Journal of the Association for Rapid Method and Automation in Microbiology·1999
Same journal

Efficient Monte Carlo simulations using a shuffled nested Weyl sequence random number generator.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
Same journal

Spatiotemporal dynamics of electromagnetic pulses in saturating nonlinear optical media with normal group velocity dispersion.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
Same journal

Soliton-breather reaction pathways.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
Same journal

Calculation of electromagnetic properties of regular and random arrays of metallic and dielectric cylinders.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
Same journal

Electromagnetic convective cells in a nonuniform dusty plasma.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
Same journal

Stability of neural networks and solitons of field theory.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics·2002
See all related articles

A penta-hepta defect in a hexagonal bubble pattern moves towards the nearest boundary. Its structure resembles defects found in nonequilibrium pattern formation systems.

Area of Science:

  • Physics
  • Materials Science
  • Soft Matter

Background:

  • Hexagonal patterns are common in nature and materials.
  • Defects in ordered structures influence material properties and dynamics.
  • Bubble rafts provide a model system for studying 2D structures and defects.

Purpose of the Study:

  • To experimentally investigate the structure and dynamics of penta-hepta defects in a hexagonal bubble raft.
  • To understand the movement and behavior of these defects under specific boundary conditions.

Main Methods:

  • Formation of a hexagonal bubble raft using soap bubbles (approx. 1 mm diameter) on a flat glass plate.
  • Experimental observation and analysis of isolated penta-hepta defects.
  • Characterization of defect movement relative to wave vectors and boundaries.

Related Experiment Videos

Main Results:

  • An isolated penta-hepta defect in a free-boundary bubble raft moves perpendicular to the nonsingular mode's wave vector.
  • The defect consistently moves towards the nearest boundary.
  • The observed defect structure is analogous to those in nonequilibrium pattern-forming systems.

Conclusions:

  • Penta-hepta defects in bubble rafts exhibit predictable directional movement influenced by boundaries.
  • The study provides insights into defect dynamics in 2D hexagonal patterns.
  • Findings contribute to understanding pattern formation and defect behavior in condensed matter systems.