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 Hall Effect01:30

The Hall Effect

2.8K
Edwin H. Hall, in the year 1879, devised an experiment that could be used to identify the polarity of the predominant charge carriers in a conducting material. From a historical perspective, this experiment was the first to demonstrate that the charge carriers in most metals are negative.
2.8K
The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

53.2K
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:
53.2K
Interpreting ¹H NMR Signal Splitting: The (n + 1) Rule01:10

Interpreting ¹H NMR Signal Splitting: The (n + 1) Rule

1.5K
In the AX proton spin system, proton A can sense the two spin states of a coupled proton X, resulting in a doublet NMR signal with two peaks of equal (1:1) intensity. When proton A is coupled to two equivalent protons (AX2 spin system), the spin states of each X can be aligned with or against the external field, creating three possible scenarios. This results in a 1:2:1  triplet signal, where the central peak corresponds to the chemical shift of A and is twice as large or intense as the...
1.5K
Atomic Nuclei: Nuclear Spin State Overview01:03

Atomic Nuclei: Nuclear Spin State Overview

1.2K
NMR-active nuclei have energy levels called 'spin states' that are associated with the orientations of their nuclear magnetic moments. In the absence of a magnetic field, the nuclear magnetic moments are randomly oriented, and the spin states are degenerate. When an external magnetic field is applied, the spin states have only 2 + 1 orientations available to them. A proton with = ½ has two available orientations. Similarly, for a quadrupolar nucleus with a nuclear spin value of...
1.2K
Atomic Nuclei: Nuclear Spin State Population Distribution01:14

Atomic Nuclei: Nuclear Spin State Population Distribution

1.3K
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.
1.3K
Quantum Numbers02:43

Quantum Numbers

43.4K
It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
43.4K

You might also read

Related Articles

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

Sort by
Same author

Refined Density Functional Theory Recipe and Renormalization of Band-Edge Parameters for Electrons in Monolayer MoS<sub>2</sub> Informed by the Measured Spin-Orbit Splitting.

Nano letters·2026
Same author

Time-Resolved Charge Detection in Transition Metal Dichalcogenide Quantum Dots.

Nano letters·2026
Same author

Tunable high-efficiency microwave photon detector based on a double quantum dot coupled to a superconducting high-impedance cavity.

Science advances·2026
Same author

40 Tesla miniature magnets.

Science advances·2026
Same author

Entropy of a Double Quantum Dot.

Physical review letters·2025
Same author

Experimental detection of vortices in magic-angle graphene.

Nature communications·2025
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

Related Experiment Video

Updated: Oct 3, 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

9.8K

Spin-Selective Equilibration among Integer Quantum Hall Edge Channels.

Giorgio Nicolí1, Christoph Adam1, Marc P Röösli1

  • 1Solid State Physics Laboratory, ETH Zürich, 8093 Zürich, Switzerland.

Physical Review Letters
|February 18, 2022
PubMed
Summary
This summary is machine-generated.

Quantum Hall edge mode equilibration depends on sample properties. This study introduces a new method to analyze many edge modes, revealing spin-selective coupling as a dominant factor and enabling control over equilibration.

More Related Videos

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

14.9K
Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

12.9K

Related Experiment Videos

Last Updated: Oct 3, 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

9.8K
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

14.9K
Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

12.9K

Area of Science:

  • Condensed Matter Physics
  • Quantum Hall Effect
  • Mesoscopic Physics

Background:

  • Equilibration of quantum Hall edge modes is sensitive to disorder and edge steepness.
  • Advancements in sample quality (higher mobility) and experimental conditions (lower temperatures) necessitate deeper investigation.

Purpose of the Study:

  • To develop a systematic framework for measuring and analyzing the equilibration of multiple integer quantum Hall edge modes (up to 8).
  • To investigate the influence of spin-selective coupling on edge mode equilibration.
  • To explore methods for controlling edge mode equilibration by tuning experimental parameters.

Main Methods:

  • Development of a novel experimental framework for systematic measurement of edge mode equilibration.
  • Analysis of equilibration across numerous (up to 8) integer quantum Hall edge channels.
  • Systematic variation of magnetic field and bulk electron density to probe equilibration dynamics.

Main Results:

  • Spin-selective coupling is identified as the dominant mechanism governing equilibration, even between non-neighboring channels with parallel spins.
  • Equilibration can be effectively suppressed by adjusting magnetic field and bulk density, highlighting the role of individual microscopic scatterers.
  • The study demonstrates precise control over the equilibration process.

Conclusions:

  • The developed framework provides a versatile tool for studying quantum Hall edge mode equilibration.
  • Findings offer insights into designing improved quantum devices and exploring exotic quantum states (e.g., fractional quantum Hall states).
  • The dominance of spin-selective coupling is a key factor in understanding edge state dynamics.