The sublattice magnetizations of the spin-s quantum Heisenberg antiferromagnets
classification
❄️ cond-mat
keywords
magnonheisenbergquantumspin-ssublatticeunphysicalantiferromagneticantiferromagnets
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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 (s>1/2) reliable Neel temperature $T_N$ and reasonable sublattice magnetization unified for $T\leq T_N$.
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