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

Imaging electron wave functions inside open quantum rings.

F Martins1, B Hackens, M G Pala

  • 1Institut Néel, CNRS and Université Joseph Fourier, BP 166, 38042 Grenoble cedex 9, France.

Physical Review Letters
|October 13, 2007
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

Managing Painful Digital Ulcers in a Patient Undergoing Hemodialysis.

Actas dermo-sifiliograficas·2025
Same author

Managing Painful Digital Ulcers in a Patient Undergoing Hemodialysis.

Actas dermo-sifiliograficas·2025
Same author

Selective area molecular beam epitaxy of InSb on InP(111)<sub>B</sub>: from thin films to quantum nanostructures.

Nanotechnology·2025
Same author

Selective area epitaxy of in-plane HgTe nanostructures on CdTe(001) substrate.

Nanotechnology·2024
Same author

Systemic lupus erythematosus induced by anti-tumor necrosis factor α therapy in inflammatory rheumatic diseases: a case series.

Reumatismo·2024
Same author

Wunderlich syndrome as a rare complication of polyarteritis nodosa: a case report.

Reumatismo·2024
Same journal

Erratum: Spectroscopy and Ground-State Transfer of Ultracold Bosonic ^{39}K^{133}Cs Molecules [Phys. Rev. Lett. 135, 203401 (2025)].

Physical review letters·2026
Same journal

Erratum: Lifetime of the ^{2}F_{7/2} Level in Yb^{+} for Spontaneous Emission of Electric Octupole Radiation [Phys. Rev. Lett. 127, 213001 (2021)].

Physical review letters·2026
Same journal

Laser-Plasma Based Seeded Free Electron Laser in the High-Gain Regime.

Physical review letters·2026
Same journal

Parent Hamiltonians for Stabilizer Quantum Many-Body Scars.

Physical review letters·2026
Same journal

Properties of Heavy Cosmic Nuclei Phosphorus, Chlorine, Argon, Potassium, and Calcium: Results from the Alpha Magnetic Spectrometer.

Physical review letters·2026
Same journal

Role of Spin-Isospin Symmetries in Nuclear β-Decays.

Physical review letters·2026
See all related articles

Researchers imaged electron probability density in quantum rings using scanning gate microscopy. The findings link conductance changes to electron wave function interference, confirming the Aharonov-Bohm effect at low temperatures.

Area of Science:

  • Condensed Matter Physics
  • Mesoscopic Physics
  • Quantum Phenomena

Background:

  • Quantum rings exhibit unique electron behavior due to their geometry.
  • Understanding electron wave functions is crucial for quantum device development.
  • Scanning Gate Microscopy (SGM) offers nanoscale probing capabilities.

Purpose of the Study:

  • To visualize electron probability density |Psi|(2)(x,y) in mesoscopic quantum rings at low temperatures.
  • To investigate the origin of tip-induced conductance modulations in these systems.
  • To establish a connection between SGM observations and fundamental quantum interference effects.

Main Methods:

  • Low-temperature Scanning Gate Microscopy (SGM) experiments.
  • Computational simulations of electron probability density and SGM conductance.

Related Experiment Videos

  • Analysis of temperature dependence of conductance modulations.

    • Main Results:

    • Successfully imaged electron probability density |Psi|(2)(x,y) in embedded mesoscopic quantum rings.
    • Demonstrated that tip-induced conductance modulations exhibit the same temperature dependence as the Aharonov-Bohm effect.
    • Simulations accurately reproduced experimental SGM images and linked them to the calculated |Psi|(2)(x,y).

    Conclusions:

    • Tip-induced conductance modulations in SGM are a direct consequence of electron wave function interferences.
    • The study confirms the manifestation of the Aharonov-Bohm effect in the observed phenomena.
    • SGM is a powerful technique for probing quantum phenomena like electron probability density in mesoscopic systems.