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

Algorithmic cooling and scalable NMR quantum computers.

P Oscar Boykin1, Tal Mor, Vwani Roychowdhury

  • 1Electrical Engineering Department, University of California, Los Angeles, CA 90095, USA.

Proceedings of the National Academy of Sciences of the United States of America
|March 21, 2002
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

Developmental profile of physiological high-frequency oscillations in the human brain.

NeuroImage·2026
Same author

Short-term modulation of epileptic network with low-frequency thalamic stimulation.

Brain stimulation·2026
Same author

Berezinskii-Kosterlitz-Thouless transition in a context-sensitive random language model.

Physical review. E·2026
Same author

Spindle density relates to cognitive outcomes in infantile epileptic spasms syndrome with unknown etiology: A retrospective cohort study.

Epilepsia·2026
Same author

Short-Term Modulation of Epileptic Network with Low-Frequency Thalamic Stimulation.

medRxiv : the preprint server for health sciences·2025
Same author

Automated Seizure Classification Using Multimodal Large Language Models.

medRxiv : the preprint server for health sciences·2025
Same journal

Tau protein as a regulator of mitochondrial function and dynamics.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

A scalable, dividing cell model for the robust propagation and quantification of human sporadic Creutzfeldt-Jakob disease prions.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Epigenetic regulation of mesenchymal BMP signaling directs postnatal organ innervation.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Single-shot wide-field biochemical imaging at 1 kHz frame rate.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Morphogenesis and topological evolution of a frustrated nematic liquid crystal under confinement.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

B cell-intrinsic CXCR3 drives efficient generation of ectopic pulmonary germinal center responses to influenza A virus infection.

Proceedings of the National Academy of Sciences of the United States of America·2026
See all related articles

Algorithmic cooling uses auxiliary spins to clean quantum bits, improving data compression beyond theoretical limits. This novel spin-refrigerating method enables breakthroughs in nuclear magnetic resonance (NMR) and quantum computing scalability.

Area of Science:

  • Quantum Information Science
  • Condensed Matter Physics
  • Nuclear Magnetic Resonance (NMR)

Background:

  • Spin-half states are fundamental to quantum bits (qubits).
  • Current NMR ensemble computers face scaling limitations.
  • Environmental interactions are typically detrimental in quantum systems.

Purpose of the Study:

  • To introduce algorithmic cooling as a method for enhancing spin polarization in liquid nuclear-spin systems.
  • To demonstrate a novel spin-refrigerating technique for quantum information processing.
  • To address the scaling challenges in NMR-based quantum computing.

Main Methods:

  • Utilizing a polarization heat bath for algorithmic cooling.
  • Employing auxiliary bits (e.g., electron spins) that rapidly thermal-relax.

Related Experiment Videos

  • Leveraging environmental interactions for a cooling mechanism.

    • Main Results:

    • Achieved a high degree of spin polarization in liquid nuclear-spin systems at finite temperatures.
    • Demonstrated "cleaning" of quantum bits beyond Shannon's data compression bound.
    • Showcased the potential for cooling spins without cooling the environment.

    Conclusions:

    • Algorithmic cooling offers a powerful approach for preparing highly polarized spins.
    • The spin-refrigerating method can overcome scaling limitations in NMR ensemble computers.
    • This technique could lead to significant advancements in NMR experiments and quantum computing.