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Curie and Neel Temperatures of Quantum Magnets

arXiv:cond-mat/0409041 · doi:10.1088/0953-8984/16/47/016

Abstract

We estimate, using high-temperature series expansions, the transition temperatures of the spin 1/2, 1 and 3/2 Heisenberg ferromagnet and antiferromagnet in 3-dimensions. The manner in which the difference between Curie and Neel temperatures vanishes with increasing spin quantum number is investigated.

10 pages