# Strong-coupling expansion of lattice O(N) sigma models

Campostrini, Massimo and Pelissetto, Andrea and Rossi, Paolo and Vicari, Ettore (1996) Strong-coupling expansion of lattice O(N) sigma models. Nuclear Physics B - Proceedings Supplements, 47 (1-3). pp. 755-758. ISSN 1873-3832

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## Abstract

We report progress in the computation and analysis of strong-coupling series of two- and three-dimensional ${\rm O}(N)$ $\sigma$ models. We show that, through a combination of long strong-coupling series and judicious choice of observables, one can compute continuum quantities reliably and with a precision at least comparable with the best available Monte Carlo data.

Item Type: Article Imported from arXiv Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA dott.ssa Sandra Faita 11 Feb 2014 22:23 11 Feb 2014 22:23 http://eprints.adm.unipi.it/id/eprint/1878

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