We investigate the properties of the twist line defect in the critical 3d Ising model using Monte Carlo simulations. In this model the twist line defect is the boundary of a surface of frustrated links or, in a dual description, the Wilson line of the Z2 gauge theory. We test the hypothesis that the twist line defect flows to a conformal line defect at criticality and evaluate numerically the low-lying spectrum of anomalous dimensions of the local operators which live on the defect as well as mixed correlation functions of local operators in the bulk and on the defect.

Line defects in the 3d Ising model

BILLO', Marco;CASELLE, Michele;GLIOZZI, Ferdinando;M. Meineri;PELLEGRINI, ROBERTO
2013-01-01

Abstract

We investigate the properties of the twist line defect in the critical 3d Ising model using Monte Carlo simulations. In this model the twist line defect is the boundary of a surface of frustrated links or, in a dual description, the Wilson line of the Z2 gauge theory. We test the hypothesis that the twist line defect flows to a conformal line defect at criticality and evaluate numerically the low-lying spectrum of anomalous dimensions of the local operators which live on the defect as well as mixed correlation functions of local operators in the bulk and on the defect.
2013
2013
7
55
75
http://arxiv.org/abs/arXiv:1304.4110
Conformal Field Theory; Conformal Defects
M. Billo'; M. Caselle; D. Gaiotto; F. Gliozzi; M.Meineri; R. Pellegrini
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/136427
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