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

Phase Transitions: Melting and Freezing02:39

Phase Transitions: Melting and Freezing

12.6K
Heating a crystalline solid increases the average energy of its atoms, molecules, or ions, and the solid gets hotter. At some point, the added energy becomes large enough to partially overcome the forces holding the molecules or ions of the solid in their fixed positions, and the solid begins the process of transitioning to the liquid state or melting. At this point, the temperature of the solid stops rising, despite the continual input of heat, and it remains constant until all of the solid is...
12.6K
Freezing Point Depression and Boiling Point Elevation03:12

Freezing Point Depression and Boiling Point Elevation

35.4K
Boiling Point Elevation
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
35.4K
Superconductor01:24

Superconductor

1.2K
A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...
1.2K
Phase Transitions: Vaporization and Condensation02:39

Phase Transitions: Vaporization and Condensation

17.8K
The physical form of a substance changes on changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. Vaporization occurs when the thermal motion of the molecules overcome the intermolecular forces, and the molecules (at the surface) escape into the gaseous state. When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase...
17.8K
Fermi Level Dynamics01:12

Fermi Level Dynamics

312
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
312
Phase Transitions02:31

Phase Transitions

19.5K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
19.5K

You might also read

Related Articles

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

Sort by
Same author

Altermagnetic Polarons: The Fate of Altermagnetic Band Splittings at Strong Coupling.

Physical review letters·2026
Same author

Emergent Heavy-Fermion Physics in a Family of Topological Insulators <i>R</i>AsS (<i>R</i> = Y, La, and Sm).

Journal of the American Chemical Society·2026
Same author

Polarization-Driven Charge Frustration and Emergent Phases in the One-Dimensional Extended Hubbard Model.

Physical review letters·2025
Same author

Topological nodal i-wave superconductivity in PtBi<sub>2</sub>.

Nature·2025
Same author

Strongly Entangled Kondo and Kagome Lattices and the Emergent Magnetic Ground State in Heavy-Fermion Kagome Metal YbV_{6}Sn_{6}.

Physical review letters·2025
Same author

Photoinduced Dynamics and Momentum Distribution of Chiral Charge Density Waves in 1T-TiSe_{2}.

Physical review letters·2025

Related Experiment Video

Updated: Aug 18, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.7K

Frozen Deconfined Quantum Criticality.

Vira Shyta1,2, Jeroen van den Brink1,3, Flavio S Nogueira1

  • 1Institute for Theoretical Solid State Physics, IFW Dresden, Helmholtzstrasse 20, 01069 Dresden, Germany.

Physical Review Letters
|December 9, 2022
PubMed
Summary

This study confirms a deconfined quantum critical point (DQCP) in easy-plane quantum antiferromagnets. Using lattice duality and renormalization group analysis, it resolves contradictions regarding phase transitions in these systems.

More Related Videos

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

7.5K
Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

14.8K

Related Experiment Videos

Last Updated: Aug 18, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.7K
Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

7.5K
Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

14.8K

Area of Science:

  • Condensed Matter Physics
  • Quantum Magnetism
  • Phase Transitions

Background:

  • Contradictory findings exist regarding phase transitions in easy-plane quantum antiferromagnets.
  • Traditional Landau-Ginzburg-Wilson theory suggests a first-order transition, while self-duality hints at a deconfined quantum critical point (DQCP).
  • Numerical simulations often dispute the existence of a DQCP, favoring a first-order transition.

Purpose of the Study:

  • To resolve the debate on whether easy-plane quantum antiferromagnets exhibit a second-order phase transition.
  • To investigate the existence and nature of a deconfined quantum critical point (DQCP) in these systems.
  • To reconcile conflicting theoretical predictions and numerical simulation results.

Main Methods:

  • Exact lattice duality transformations
  • Renormalization group analysis
  • Investigation of a bosonic theory dual to a fermionic one at criticality

Main Results:

  • Established the existence of a deconfined quantum critical point (DQCP) in the easy-plane CP^{1} antiferromagnet.
  • Identified a novel 'frozen' critical regime analogous to a classical system's zero-temperature limit.
  • Demonstrated that the bosonic theory at criticality is dual to a fermionic theory with two massless Dirac fermions, indicating a second-order phase transition.

Conclusions:

  • The easy-plane quantum antiferromagnet does feature a deconfined quantum critical point (DQCP).
  • The system undergoes a second-order phase transition, contrary to some numerical findings.
  • The duality between bosonic and fermionic descriptions at criticality provides a new perspective on quantum phase transitions.