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On the ratio of string tensions in the 3D Z_4 lattice gauge theory

Contributo in Atti di convegno
Data di Pubblicazione:
2007
Abstract:
It was recently pointed out that simple scaling properties of Polyakov correlation functions of gauge systems in the confining phase suggest that the ratios of k-string tensions in the low temperature region is constant up to terms of order T^3. Here we argue that, at least in a three-dimensional Z_4 gauge model, the above ratios are constant in the whole confining phase. This result is obtained by combining numerical experiments with known exact results on the mass spectrum of an integrable two-dimensional spin model describing the infrared behaviour of the gauge system near the deconfining transition.
Tipologia CRIS:
04B-Conference paper in rivista
Keywords:
Lattice gauge theory
Elenco autori:
M. Caselle; P. Giudice; F. Gliozzi; P. Grinza; S. Lottini
Autori di Ateneo:
CASELLE Michele
Link alla scheda completa:
https://iris.unito.it/handle/2318/69612
Pubblicato in:
POS PROCEEDINGS OF SCIENCE
Journal
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