Exact critical point and critical exponents of O(n) models in two-dimensions

Jun, 1982
1 page
Published in:
  • Phys.Rev.Lett. 49 (1982) 1062

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Abstract: (APS)
A two-dimensional n-component spin model with cubic or isotropic symmetry is mapped onto a solid-on-solid model. Subject to some plausible assumptions this leads to an analytic calculation of the critical point and some critical indices for −2<~n<~2.