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

Longitudinal magnetic excitations in classical spin systems

Bunker1, Landau

  • 1Center for Simulational Physics, University of Georgia, Athens, Georgia 30602-2451, USA.

Physical Review Letters
|September 8, 2000
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

A note on eugenics.

The Eugenics review·2011
Same author

Pertussis with lung abscess.

Archives of pediatrics·2010
Same author

Erratum to "Short-term dietary effects on reproductive wastage after induced ovulation and artificial insemination in primiparous lactating sarda ewes"

Animal reproduction science·2000
Same author

Short-term changes in eating patterns explain the effects of condensed tannins on feed intake in heifers.

Applied animal behaviour science·2000
Same author

Discovery of a Color-selected Quasar at z = 5.50.

The Astrophysical journal·2000
Same author

StatView for Windows, Version 5.0

Statistical methods in medical research·2000

Spin dynamics simulations predict a splitting of spin-wave peaks in antiferromagnets due to anisotropy. This phenomenon, observable via neutron scattering, offers new insights into magnetic excitations.

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Quantum Mechanics

Background:

  • Antiferromagnets exhibit complex magnetic excitations.
  • Single site anisotropy influences spin-wave behavior.
  • Understanding these excitations is key to novel magnetic phenomena.

Purpose of the Study:

  • To predict the splitting of longitudinal spin-wave peaks in antiferromagnets.
  • To identify experimental methods for observing this predicted phenomenon.
  • To characterize the nature of longitudinal propagative excitations in classical Heisenberg models.

Main Methods:

  • Spin dynamics simulations were employed.
  • Analysis focused on the Brillouin zone center.
  • Classical Heisenberg models were utilized for theoretical investigation.

Related Experiment Videos

Main Results:

  • A splitting of the longitudinal spin-wave peak into two distinct peaks was predicted.
  • The separation of these peaks is twice the energy gap at the Brillouin zone center.
  • Longitudinal propagative excitations in classical Heisenberg models were confirmed to be entirely multiple spin wave in nature.

Conclusions:

  • The predicted spin-wave peak splitting offers a new experimental signature in antiferromagnets.
  • Neutron scattering experiments on materials like MnF2 and FeF2 are proposed for verification.
  • The study clarifies the fundamental nature of magnetic excitations in specific models.