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Spin-liquid state for two-dimensional Heisenberg antiferromagnets on a kagomé lattice

  • Weiqiang Yu
  • Shiping Feng

Abstract:

The magnetic properties of the spin liquid state of the antiferromagnetic Heisenberg model on the kagomé lattice are investigated within the self-consistent mean-field theory. The results show that the spin liquid ground-state energy per site is \(\), which is in very good agreement with the best numerical estimates. The spin structure factor and spin susceptibility are also discussed.

PACS. 75.10.Jm Quantized spin models - 67.40.Db Quantum statistical theory; ground state, elementary excitations - 75.50.Ee Antiferromagnetics 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2000

Authors and Affiliations

  • Weiqiang Yu
    • 1
  • Shiping Feng
    • 2
  1. 1.Department of Physics, Beijing Normal University, Beijing 100875, PR ChinaCN
  2. 2.CCAST (World Laboratory) P.O. Box 8730, Beijing 100080, PR ChinaCN

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