Topological susceptibility and string tension in CP(N-1) models

Massimo Campostrini; Paolo Rossi; Ettore Vicari

doi:10.1016/0920-5632(93)90336-5

Topological susceptibility and string tension in CP(N-1) models

High Energy Physics - Lattice 2009-10-22 v1

Authors: Massimo Campostrini , Paolo Rossi , Ettore Vicari

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Abstract

We investigate the features of ${\rm CP}^{N-1}$ models concerning confinement and topology. In order to study the approach to the large- $N$ asymptotic regime, we determine the topological susceptibility and the string tension for a wide range of values of $N$ , in particular $N=4,10,21,41$ . Quantitative agreement with the large- $N$ predictions is found for the ${\rm CP}^{20}$ and the ${\rm CP}^{40}$ models. Problems related to the measure of the topological susceptibility and the string tension on the lattice are discussed.

Keywords

CP^{N-1} models topological susceptibility string tension large-N expansion confinement lattice gauge theory

Cite

@article{arxiv.hep-lat/9210012,
  title  = {Topological susceptibility and string tension in CP(N-1) models},
  author = {Massimo Campostrini and Paolo Rossi and Ettore Vicari},
  journal= {arXiv preprint arXiv:hep-lat/9210012},
  year   = {2009}
}

Comments

Talk presented at the Lattice '92 Conference, Amsterdam. 6 pages, sorry, no figures included, if required we can send them by mail

Topological susceptibility and string tension in CP(N-1) models

Abstract

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