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

Hyperfine-mediated gate-driven electron spin resonance.

E A Laird1, C Barthel, E I Rashba

  • 1Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.

Physical Review Letters
|February 1, 2008
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

Voltage-Tuned Anomalous-Metal to Metal Transition in Hybrid Josephson Junction Arrays.

Physical review letters·2025
Same author

Dermacentor ticks and their human pathogens in various ecosystems of eastern France.

Ticks and tick-borne diseases·2025
Same author

Voltage-Controlled Synthesis of Higher Harmonics in Hybrid Josephson Junction Circuits.

Physical review letters·2024
Same author

Ticks and tick-borne pathogens on Belle-Île-en-Mer: An exploratory study in a western French island environment.

Ticks and tick-borne diseases·2024
Same author

Skin microbiota secretomes modulate cutaneous innate immunity against Borrelia burgdorferi s.s.

Scientific reports·2023
Same author

Modus Operandi and Domain of the Turkish Bath.

The Chicago medical journal·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

Researchers explored an all-electrical spin resonance in GaAs quantum dots. This novel hyperfine mechanism allows for sensitive detection and manipulation of nuclear spin polarization.

Area of Science:

  • Condensed Matter Physics
  • Quantum Information Science
  • Materials Science

Background:

  • Spin resonance effects are crucial for quantum information processing.
  • Understanding electron-spin interactions in semiconductor quantum dots is key.
  • Gallium arsenide (GaAs) is a prominent material for fabricating quantum dots.

Purpose of the Study:

  • To investigate an all-electrical spin resonance (SR) effect in a GaAs few-electron double quantum dot.
  • To explore a novel hyperfine mechanism responsible for the observed SR effect.
  • To demonstrate the potential for detecting and creating nuclear spin polarization using this effect.

Main Methods:

  • Experimental investigation of spin resonance in a GaAs double quantum dot.
  • Theoretical modeling to understand the underlying physical mechanisms.

Related Experiment Videos

  • Utilizing a device with an integrated micromagnet for selective addressing of electrons.

    • Main Results:

    • Observed an all-electrical spin resonance effect dependent on magnetic field.
    • Absence of Rabi oscillations suggests a novel hyperfine interaction mechanism.
    • Resonant frequency is sensitive to the instantaneous hyperfine effective field.

    Conclusions:

    • The novel hyperfine mechanism enables sensitive detection of nuclear spin polarization.
    • The effect can be utilized to create sizable nuclear spin polarizations.
    • Selective addressing of electrons in different quantum dots is achievable with a micromagnet.