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

Return to return point memory.

J M Deutsch1, Abhishek Dhar, Onuttom Narayan

  • 1Department of Physics, University of California, Santa Cruz, California 95064, USA.

Physical Review Letters
|July 13, 2004
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

Quantized two terminal conductance, edge states and current patterns in an open geometry 2-dimensional Chern insulator.

Journal of physics. Condensed matter : an Institute of Physics journal·2025
Same author

Hydrodynamics of a hard-core active lattice gas.

Physical review. E·2025
Same author

Generalized Hydrodynamic Description of the Page Curve-like Dynamics of a Freely Expanding Fermionic Gas.

Physical review letters·2024
Same author

Nonequilibrium spin transport in integrable and nonintegrable classical spin chains.

Physical review. E·2024
Same author

Dynamical crossovers and correlations in a harmonic chain of active particles.

Soft matter·2024
Same author

Yang-Lee zeros of certain antiferromagnetic models.

Physical review. E·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

We discovered a new type of return point memory (RPM) in one-dimensional random Ising antiferromagnets. This RPM differs from ferromagnets, showing exact behavior from a large field but not finite fields.

Area of Science:

  • Statistical Mechanics
  • Condensed Matter Physics
  • Magnetism

Background:

  • Return Point Memory (RPM) is a phenomenon observed in magnetic systems.
  • Previous studies on RPM primarily focused on ferromagnetic systems.
  • The behavior of antiferromagnetic systems regarding RPM remains less explored.

Purpose of the Study:

  • To investigate the existence and characteristics of RPM in one-dimensional random Ising antiferromagnets.
  • To compare the RPM behavior of antiferromagnets with that of ferromagnets.
  • To explore alternative representations of dynamics beyond spin configurations.

Main Methods:

  • Numerical simulations of one-dimensional random Ising antiferromagnets.
  • Analysis of system evolution from both large and finite initial fields.

Related Experiment Videos

  • Development and utilization of spin flip variables to track dynamics.
  • Mapping antiferromagnetic chains to two-dimensional ferromagnets.

    • Main Results:

    • One-dimensional random Ising antiferromagnets exhibit exact RPM when evolving from a large field.
    • RPM is not observed when the system starts at a finite field, contrasting with ferromagnetic behavior.
    • Spin flip variables provide a potentially more fundamental representation of the dynamics than conventional spin RPM.
    • RPM is proven for spin-exchange dynamics within the interior of the antiferromagnetic chain via a mapping to a 2D ferromagnet.

    Conclusions:

    • The standard approaches for understanding ferromagnetic RPM are insufficient for this class of antiferromagnets.
    • Spin flip dynamics may offer a more fundamental insight into RPM.
    • The established mapping provides a rigorous proof of RPM in a subset of the antiferromagnetic chain.