@article{983b3001d2f4436fa84c3eccc004b310,
title = "Phase transitions in the quantum Heisenberg model",
abstract = "We rigorously prove that in three or more dimensions, the nearest-neighbor, simple-cubic, ferromagnetic, quantum Heisenberg model of spin S (=12, 1, ...) has a phase transition at nonzero temperature.",
author = "Dyson, {Freeman J.} and Lieb, {Elliott H.} and Barry Simon",
note = "Funding Information: Alfred Sloan Fellow. Research supported by U. S. National Science Foundation Grant No. GP-39048. Funding Information: Research supported by U. S. National Science Foundation Grant No. GP-40768X. Funding Information: Research supported by U. S. National Science Foundation Grant No. MCS 75-21648. ",
year = "1976",
doi = "10.1103/PhysRevLett.37.120",
language = "English (US)",
volume = "37",
pages = "120--123",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "3",
}