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

Gating Classical Information Flow via Equilibrium Quantum Phase Transitions.

Leonardo Banchi1, Joaquín Fernández-Rossier2,3, Cyrus F Hirjibehedin1,4,5

  • 1Department of Physics and Astronomy, University College London (UCL), London WC1E 6BT, United Kingdom.

Physical Review Letters
|April 22, 2017
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

Ultra-long-range spin coupling in graphene revealed by atomically resolved spin excitations.

Nature communications·2026
Same author

Chernoff Information Bottleneck for Covert Quantum Target Sensing.

Physical review letters·2026
Same author

Electrically tunable quantum interference of atomic spins on surfaces.

Nature communications·2025
Same author

One-dimensional CrI<sub>3</sub> encapsulated within multi-walled carbon nanotubes.

Communications chemistry·2025
Same author

Quantum Liang Information Flow Probe of Causality across Critical Points.

Physical review letters·2025
Same author

Spin excitations in nanographene-based antiferromagnetic spin-1/2 Heisenberg chains.

Nature materials·2025
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

Quantum fluctuations can be harnessed to control classical information flow in atomic-scale spin chains. This breakthrough utilizes quantum phase transitions for atomic-scale information processing.

Area of Science:

  • Quantum physics
  • Condensed matter physics
  • Nanotechnology

Background:

  • Atomic-scale communication necessitates quantum entities.
  • Quantum fluctuations are typically viewed as detrimental to information processing.
  • Spin-based information processing is a key area for future technologies.

Purpose of the Study:

  • To demonstrate the exploitation of quantum fluctuations for controlling classical information flow.
  • To investigate the role of external magnetic fields in modulating this information flow.
  • To explore the connection between quantum phase transitions and atomic-scale information transfer.

Main Methods:

  • Utilizing spin-based information processing in magnetic chains.
  • Analyzing the behavior of quantum fluctuations in thermal equilibrium.

Related Experiment Videos

  • Applying external magnetic fields to induce many-body quantum phases.
  • Investigating anisotropic spin chains as magnetic cellular automata.

    • Main Results:

    • Quantum fluctuations can gate the flow of classical binary information across magnetic chains.
    • Information flow is controllable via modest external magnetic fields.
    • Quantum phase transitions dictate whether the final spin reflects the initial input orientation.
    • The findings are applicable to a broad range of anisotropic spin chains.

    Conclusions:

    • Quantum fluctuations can be actively utilized, not just mitigated, in atomic-scale information processing.
    • Quantum phase transitions are crucial for directing classical information flow at the physical limit.
    • This work suggests a new paradigm for designing atomic-scale communication and computing systems.