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Ground-state staggered magnetization of the antiferromagnetic Heisenberg model

O. Haan, J.-U. Klaetke, and K.-H. Mütter
Phys. Rev. B 46, 5723 – Published 1 September 1992
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Abstract

Using helical boundary conditions, we present exact-diagonalization results for two-dimensional spin-1/2 antiferromagnetic Heisenberg systems. Energy and staggered magnetization for an infinite system are obtained by extrapolation from finite square systems. Comparisons with the results obtained for periodic boundary conditions are made.

  • Received 23 March 1992

DOI:https://doi.org/10.1103/PhysRevB.46.5723

©1992 American Physical Society

Authors & Affiliations

O. Haan

  • Siemens Nixdorf Informationssysteme AG, Otto Hahn Ring 6, 8000 München 83, Germany

J.-U. Klaetke and K.-H. Mütter

  • Physics Department, University of Wuppertal, D-5600 Wuppertal 1, Germany

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Vol. 46, Iss. 9 — 1 September 1992

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