We study the high-temperature phase of compact U(1) gauge theory in 2+1 dimensions, comparing the results of lattice calculations with analytical predictions from the conformal-field-theory description of the low-temperature phase of the bidimensional XY model. We focus on the two-point correlation functions of probe charges and the field-strength operator, finding excellent quantitative agreement with the functional form and the continuously varying critical indices predicted by conformal field theory.

Conformal field theory and the hot phase of three-dimensional U(1) gauge theory

Michele Caselle;Alessandro Nada;Marco Panero;Davide Vadacchino
2019

Abstract

We study the high-temperature phase of compact U(1) gauge theory in 2+1 dimensions, comparing the results of lattice calculations with analytical predictions from the conformal-field-theory description of the low-temperature phase of the bidimensional XY model. We focus on the two-point correlation functions of probe charges and the field-strength operator, finding excellent quantitative agreement with the functional form and the continuously varying critical indices predicted by conformal field theory.
05
068-00
068-32
http://arxiv.org/abs/1903.00491v2
Physics - Strongly Correlated Electrons; Physics - Strongly Correlated Electrons; High Energy Physics - Lattice; High Energy Physics - Theory
Michele Caselle; Alessandro Nada; Marco Panero; Davide Vadacchino
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2318/1701801
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