Asymptotic freedom with discrete spin variables?

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We study the critical behaviour of the 2d dodecahedron spin model and investigate the conjecture that the discrete model describes the same continuum theory as the O(3) non-linear sigma model. In particular, we found that the anisotropy of the magnetization A(z) measured in a fixed physical volume decreases with increasing correlation length, at least up to ξ\approx 1000.
5 pages, 4 figures

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/38656

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-lat/0112003
 http://arxiv.org/abs/hep-lat/0112003

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arXiv