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Remarks on the kinematical and dynamical corrections to the spin wave approximation for an ideal antiferromagnet

Authors
Journal
Physica
0031-8914
Publisher
Elsevier
Publication Date
Volume
35
Issue
1
Identifiers
DOI: 10.1016/0031-8914(67)90141-3
Disciplines
  • Physics

Abstract

Abstract The problem of the kinematical and dynamical corrections to the partition function of an ideal Heisenberg antiferromagnet is discussed. A proof, to be found in recent literature, that these corrections are exponentially small at low temperatures is shown to be incorrect.

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