Roberto Pellegrini (Swansea University)

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Roberto Pellegrini (Swansea University)

March 12, 2014 @ 4:00 pm - 5:00 pm UTC+0

A monodromy defect in the Ising model.
We investigate the properties of the twist line defect in the critical 3d Ising model using Monte Carlo simulations. In this model the 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.


March 12, 2014
4:00 pm - 5:00 pm UTC+0
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Room 205
2-5, Kirkby Place
Plymouth, PL4 6DT United Kingdom