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Quantized topological point defects in two-dimensional antiferromagnets

J. P. Rodriguez
Phys. Rev. B 39, 2906(R) – Published 1 February 1989
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Abstract

We semiclassically quantize static topological point defects that exist within a continuum Heisenberg model of the two-dimensional antiferromagnet. The quantum corrections reduce the classical defect energy as defect size increases and induce an effective interaction between defects that can be attractive at short range.

  • Received 15 April 1988

DOI:https://doi.org/10.1103/PhysRevB.39.2906

©1989 American Physical Society

Authors & Affiliations

J. P. Rodriguez

  • Institut Laue-Langevin, 156x, 38042 Grenoble Cedex, France

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Issue

Vol. 39, Iss. 4 — 1 February 1989

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