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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Franco Gori
  • Vol. 31, Iss. 7 — Jul. 1, 2014
  • pp: 1416–1426

Diffraction by a frustrated system: the triangular Ising antiferromagnet

Chunhong Yoon and Rick P. Millane  »View Author Affiliations

JOSA A, Vol. 31, Issue 7, pp. 1416-1426 (2014)

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Expressions are derived for diffraction by the triangular Ising antiferromagnet, a disordered lattice system consisting of two kinds of scatterer and exhibiting geometric frustration. Analysis of the expressions shows characteristics of the diffraction patterns, including the presence of Bragg and diffuse diffraction, superlattice reflections, and their behavior with temperature. These characteristics are illustrated by numerical simulations. The results have application to diffraction imaging of disordered systems.

© 2014 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(050.1960) Diffraction and gratings : Diffraction theory
(110.7440) Imaging systems : X-ray imaging

ToC Category:
Diffraction and Gratings

Original Manuscript: January 23, 2014
Revised Manuscript: April 2, 2014
Manuscript Accepted: April 7, 2014
Published: June 10, 2014

Chunhong Yoon and Rick P. Millane, "Diffraction by a frustrated system: the triangular Ising antiferromagnet," J. Opt. Soc. Am. A 31, 1416-1426 (2014)

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