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

Spin-dependent resistivity at transitions between integer quantum hall states.

K Vakili1, Y P Shkolnikov, E Tutuc

  • 1Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA.

Physical Review Letters
|May 21, 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

Stripe-Nematic Phase of Composite Fermions.

Physical review letters·2026
Same author

Developing Fractional Quantum Hall States at Even-Denominator Fillings 1/6 and 1/8.

Physical review letters·2025
Same author

Origin of Pinning Disorder in Magnetic-Field-Induced Wigner Solids.

Physical review letters·2024
Same author

Signatures of Correlated Defects in an Ultraclean Wigner Crystal in the Extreme Quantum Limit.

Physical review letters·2024
Same author

Fractional Quantum Hall State at Filling Factor ν=1/4 in Ultra-High-Quality GaAs Two-Dimensional Hole Systems.

Physical review letters·2024
Same author

Moving Crystal Phases of a Quantum Wigner Solid in an Ultra-High-Quality 2D Electron System.

Physical review letters·2023
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

The longitudinal resistivity in AlAs quantum wells changes with spin orientation at quantum Hall state transitions. Aligning spin significantly enhances resistivity, offering new insights into quantum phenomena.

Area of Science:

  • Condensed matter physics
  • Quantum mechanics
  • Materials science

Background:

  • Integer quantum Hall effect (IQHE) describes quantized Hall resistance in 2D electron systems.
  • AlAs quantum wells provide a platform for studying 2D electron behavior.
  • Landau levels represent quantized energy states in a magnetic field.

Purpose of the Study:

  • Investigate the influence of spin orientation on longitudinal resistivity.
  • Understand transitions between integer quantum Hall states.
  • Explain spikelike features at quantum Hall minima.

Main Methods:

  • Measurements of longitudinal resistivity in AlAs quantum wells.
  • Control of electron spin orientation within Landau levels.
  • Analysis of resistivity dependence on Fermi energy and spin alignment.

Related Experiment Videos

Main Results:

  • Longitudinal resistivity is strongly dependent on spin orientation at IQHE transitions.
  • Resistivity increases by an order of magnitude when spin aligns with the majority spin.
  • Spikelike features near Landau level crossings are observed.

Conclusions:

  • Spin polarization plays a crucial role in the electronic transport properties of 2D systems.
  • The findings suggest a novel mechanism for observed resistivity anomalies.
  • Further research is needed to fully elucidate the spin-dependent transport phenomena.