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A novel and physically transparent approach to the finite-temperature Hubbard model at half filling is proposed. It recovers not only the correct dimensionality dependence of antiferromagnetism but, in d0ex0ex=0ex0ex3, interpolates properly between weak and strong coupling interaction strengths for the N\'eel temperature, and enables extraction of related thermodynamic properties.
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Szczech et al. (1995) studied this question.
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