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

The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

57.6K
The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
57.6K
Atomic Nuclei: Nuclear Spin State Population Distribution01:14

Atomic Nuclei: Nuclear Spin State Population Distribution

1.6K
Near absolute zero temperatures, in the presence of a magnetic field, the majority of nuclei prefer the lower energy spin-up state to the higher energy spin-down state. As temperatures increase, the energy from thermal collisions distributes the spins more equally between the two states. The Boltzmann distribution equation gives the ratio of the number of spins predicted in the spin −½ (N−) and spin +½ (N+) states.
1.6K
Colloidal precipitates01:09

Colloidal precipitates

3.1K
The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
3.1K
Recrystallization: Solid–Solution Equilibria01:10

Recrystallization: Solid–Solution Equilibria

1.7K
Recrystallization is a purification technique used to separate impurities from solid compounds. In this technique, no chemical reactions occur. Instead, it exploits physical properties only, specifically, the solubility differences between the desired compound and impurities, either at a single temperature or at different temperatures, and under other selected conditions. The solid-solution equilibrium (solubility equilibrium) of each component in the solution represents a binary phase...
1.7K
Precipitation Processes01:12

Precipitation Processes

2.9K
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
2.9K
Phase Transitions: Sublimation and Deposition02:33

Phase Transitions: Sublimation and Deposition

19.1K
Some solids can transition directly into the gaseous state, bypassing the liquid state, via a process known as sublimation. At room temperature and standard pressure, a piece of dry ice (solid CO2) sublimes, appearing to gradually disappear without ever forming any liquid. Snow and ice sublimate at temperatures below the melting point of water, a slow process that may be accelerated by winds and the reduced atmospheric pressures at high altitudes. When solid iodine is warmed, the solid sublimes...
19.1K

You might also read

Related Articles

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

Sort by
Same author

Distribution of the Number of Paths in Two-Dimensional Directed Percolation.

Entropy (Basel, Switzerland)·2025
Same author

Statistical methods for linking material composition to recombination losses in optoelectronic devices.

The Review of scientific instruments·2024
Same author

Photonic molecule state transition by collision.

Optics letters·2023
Same author

Large-deviations of disease spreading dynamics with vaccination.

PloS one·2023
Same author

Variational kinetic clustering of complex networks.

The Journal of chemical physics·2023
Same author

Role of frequency dependence of the nonlinearity on a soliton's evolution in photonic crystal fibers.

Optics letters·2021

Related Experiment Video

Updated: Nov 27, 2025

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

8.8K

From Spin Glasses to Negative-Weight Percolation.

Alexander K Hartmann1, Oliver Melchert2,3, Christoph Norrenbrock1

  • 1Institute of Physics, University of Oldenburg, 26111 Oldenburg, Germany.

Entropy (Basel, Switzerland)
|December 3, 2020
PubMed
Summary

This study introduces the negative weight percolation (NWP) model for spin glasses, offering a novel algorithmic approach. NWP exhibits distinct universality class properties compared to standard percolation.

Keywords:
disordered systemsfrustrationnegative weight percolationoptimisationphase transition

More Related Videos

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
09:32

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Published on: January 26, 2016

8.4K
In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging
06:34

In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging

Published on: September 2, 2016

6.6K

Related Experiment Videos

Last Updated: Nov 27, 2025

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

8.8K
Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
09:32

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films

Published on: January 26, 2016

8.4K
In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging
06:34

In Situ Monitoring of Diffusion of Guest Molecules in Porous Media Using Electron Paramagnetic Resonance Imaging

Published on: September 2, 2016

6.6K

Area of Science:

  • Physics
  • Statistical Mechanics
  • Computer Science

Background:

  • Spin glasses are complex random systems modeling magnetic alloys.
  • Investigating spin glass models often involves studying domain walls.
  • Algorithmic analysis in 2D relates domain walls to shortest path calculations with negative weights.

Purpose of the Study:

  • Introduce the negative weight percolation (NWP) model.
  • Provide foundational concepts from spin glasses, graph theory, and algorithms.
  • Summarize a decade of NWP research, including percolation transitions and universality.

Main Methods:

  • Developed the negative weight percolation (NWP) model.
  • Mapped the algorithmic approach to the classical graph matching problem.
  • Analyzed percolation transitions across various dimensions (d=2 to beyond d_u=6) and for random graphs.

Main Results:

  • Demonstrated that NWP belongs to a different universality class than standard percolation.
  • Presented findings on percolation transitions in dimensions up to and beyond the upper critical dimension (d_u=6).
  • Explored NWP properties related to Stochastic-Loewner Evolution and directed NWP.

Conclusions:

  • The negative weight percolation (NWP) model provides a powerful framework for studying spin glasses.
  • NWP exhibits unique characteristics distinct from standard percolation models.
  • Ongoing research continues to explore NWP's properties and applications in different dimensions and graph types.