 Absence of Ferromagnetism or Antiferromagnetism in One- or Two-Dimensional Isotropic Heisenberg Models by N. D. Mermin and H. Wagner (source code)

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= Absence of Ferromagnetism or Antiferromagnetism in One- or Two-Dimensional Isotropic Heisenberg Models by N. D. Mermin and H. Wagner
{c}
{tag=Work by N. D. Mermin}
{tag=Work by H. Wagner}
{title2=1966}

Physical Review Letters 17, 1133 (1966), DOI 10.1103/PhysRevLett.17.1133. The abstract states the absence of ferromagnetic or antiferromagnetic order at nonzero temperature in finite-range one- or two-dimensional isotropic spin-$S$ <Heisenberg models>. This is a primary source for the low-dimensional limitation of mean-field magnetic ordering.

https://doi.org/10.1103/PhysRevLett.17.1133

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