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

Fault-tolerant quantum computation via exchange interactions.

Masoud Mohseni1, Daniel A Lidar

  • 1Department of Physics and Center for Quantum Information and Quantum Control, University of Toronto, 60 St. George Street, Toronto, Ontario, Canada M5S 1A7.

Physical Review Letters
|March 24, 2005
PubMed
Summary

Quantum computers can be simplified by encoding logical qubits, avoiding individual physical qubit control. This study demonstrates combining encoded universality with fault-tolerant quantum error correction for scalable quantum computing.

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

Real-Time Sign-Problem-Suppressed Quantum Monte Carlo Algorithm for Noisy Quantum Circuit Simulations.

Physical review letters·2026
Same author

Demonstration of high-fidelity entangled logical qubits using transmons.

Nature communications·2026
Same author

Accelerating hybrid XOR-CNF Boolean satisfiability problems natively with in-memory computing.

Nature communications·2026
Same author

Pushing the boundary of quantum advantage in hard combinatorial optimization with probabilistic computers.

Nature communications·2025
Same author

Benchmarking Quantum Gates and Circuits.

Chemical reviews·2025
Same author

Beating the Ramsey limit on sensing with deterministic qubit control.

Nature communications·2025

Area of Science:

  • Quantum Information Science
  • Quantum Computing Architectures

Background:

  • Quantum computation relies on qubits, with logical qubits offering error resilience.
  • Current quantum computer designs often require complex individual control of physical qubits.
  • The "encoded universality" paradigm simplifies design by using multiple physical qubits for one logical qubit.

Purpose of the Study:

  • To investigate the combination of encoded universality with fault-tolerant quantum error correction.
  • To establish the scalability of quantum computing schemes based on encoded universality.
  • To demonstrate a pathway towards more robust and scalable quantum computers.

Main Methods:

  • Encoding logical qubits into states of multiple physical qubits.
  • Implementing control of effective exchange interactions and global magnetic fields.

Related Experiment Videos

  • Integrating encoded universality schemes with established fault-tolerant quantum error correction protocols.

    • Main Results:

    • Demonstrated the feasibility of combining encoded universality with fault-tolerant quantum error correction.
    • Established that encoded universality schemes can be made scalable through error correction.
    • Showcased a simplified approach to quantum computer design without individual physical qubit control.

    Conclusions:

    • The integration of encoded universality and fault-tolerant quantum error correction is a viable strategy for scalable quantum computing.
    • This approach simplifies quantum computer design, reducing the complexity of controlling individual physical qubits.
    • The findings pave the way for more robust and practical quantum computation.