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

Developments in the quantum Hall effect.

Klaus von Klitzing1

  • 1Max-Planck-Institut für Festkörperforschung, Heisenbergstr. 1, 70569 Stuttgart, Germany. k.klitzing@fkf.mpg.de

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|September 9, 2005
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

Essay: Quantum Hall Effect and the New International System of Units.

Physical review letters·2019
Same author

A cascade of phase transitions in an orbitally mixed half-filled Landau level.

Science advances·2018
Same author

Anomalous Interlayer Transport of Quantum Hall Bilayers in the Strongly Josephson-Coupled Regime.

Physical review letters·2016
Same author

Erratum: Signatures for Wigner Crystal Formation in the Chemical Potential of a Two-Dimensional Electron System [Phys. Rev. Lett. 113, 076804 (2014)].

Physical review letters·2016
Same author

Probing the microscopic structure of the stripe phase at filling factor 5/2.

Physical review letters·2014
Same author

Signatures for Wigner crystal formation in the chemical potential of a two-dimensional electron system.

Physical review letters·2014
Same journal

Inverse FIP effect plasma in the solar atmosphere: a synthesis of current understanding and new insights from AR 11967.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Signs of sulfur fractionation under high magnetic field strength.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

First ionization potential fractionation of sulfur observed with spectral imaging of the coronal environment.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Chromospheric dynamics and turbulence regulate the solar FIP effect.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Exploring the link between wave activity in the photospheric velocity driver and the FIP bias in the solar corona.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Radiative hydrodynamic simulations of first ionization potential fractionation in solar flares.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
See all related articles

The quantum Hall effect (QHE) is crucial for metrology, enabling precise measurements of fundamental constants. Recent research uses scanning force microscopy to visualize electronic states, improving our understanding of QHE devices.

Area of Science:

  • Condensed Matter Physics
  • Quantum Mechanics
  • Metrology

Background:

  • The quantum Hall effect (QHE) demonstrates quantized resistance, a phenomenon with significant metrological applications.
  • Accurate reproduction of the SI unit ohm and high-precision measurements of fundamental constants rely on QHE.
  • Understanding electron-electron correlation phenomena and developing a microscopic picture of QHE are active research areas.

Purpose of the Study:

  • To enhance the microscopic understanding of current flow in quantum Hall systems.
  • To investigate the potential distribution in quantum Hall effect devices.
  • To confirm theoretical predictions regarding electronic states near device boundaries.

Main Methods:

  • Utilized scanning force microscopy (SFM) to probe the potential distribution within QHE devices.

Related Experiment Videos

  • Analyzed the spatial distribution of electronic states in quantum Hall systems.
  • Correlated experimental observations with theoretical models of QHE.

    • Main Results:

    • SFM imaging revealed the potential distribution, offering enhanced microscopic insight into current flow.
    • Experimental findings confirmed the existence of theoretically predicted stripes of compressible and incompressible electronic states.
    • These stripes are located near the boundaries of the quantum Hall effect devices.

    Conclusions:

    • Scanning force microscopy is a valuable tool for elucidating the microscopic behavior of quantum Hall systems.
    • The study validates theoretical predictions about the electronic state distribution at the edges of QHE devices.
    • This research contributes to a more complete understanding of the quantum Hall effect and its underlying physics.