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Small antiferromagnetic spin systems—Sublattice Hamiltonians

✍ Scribed by W. Florek; L.A. Kaliszan; H.W. Kunert; A.G.J. Machatine


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
529 KB
Volume
405
Category
Article
ISSN
0921-4526

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We study the spin-s quantum Heisenberg antiferromagnetic models in a magnon theory free of any unphysical magnon state. Because the unphysical magnon states are completely removed in the magnon Hamiltonians and during the approximation process, we derive spin-s reliable Neel temperature T and reason