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Deconfinement Transition in Three-Dimensional Compact U ( 1 ) Gauge Theories Coupled to Matter Fields

Deconfinement Transition in Three-Dimensional Compact U ( 1 ) Gauge Theories Coupled to Matter... It is shown that permanent confinement in three-dimensional compact U(1) gauge theory can be destroyed by matter fields in a deconfinement transition. This follows from a nontrivial infrared fixed point caused by matter, and an anomalous scaling dimension of the gauge field. This leads to a logarithmic interaction between the defects of the gauge fields, which form a gas of magnetic monopoles. For logarithmic interactions, the original electric charges are unconfined. The confined phase, which is permanent in the absence of matter fields, is reached at a critical electric charge, where the interaction between magnetic charges is screened by a pair-unbinding in a Kosterlitz-Thouless–like phase transition. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review Letters American Physical Society (APS)

Deconfinement Transition in Three-Dimensional Compact U ( 1 ) Gauge Theories Coupled to Matter Fields

Kleinert, Hagen; Nogueira, Flavio S
Physical Review Letters , Volume 88 (23) – Jun 10, 2002
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Publisher
American Physical Society (APS)
Copyright
Copyright © 2002 The American Physical Society
ISSN
1079-7114
DOI
10.1103/PhysRevLett.88.232001
pmid
12059354
Publisher site
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Abstract

It is shown that permanent confinement in three-dimensional compact U(1) gauge theory can be destroyed by matter fields in a deconfinement transition. This follows from a nontrivial infrared fixed point caused by matter, and an anomalous scaling dimension of the gauge field. This leads to a logarithmic interaction between the defects of the gauge fields, which form a gas of magnetic monopoles. For logarithmic interactions, the original electric charges are unconfined. The confined phase, which is permanent in the absence of matter fields, is reached at a critical electric charge, where the interaction between magnetic charges is screened by a pair-unbinding in a Kosterlitz-Thouless–like phase transition.

Journal

Physical Review Letters – American Physical Society (APS)

Published: Jun 10, 2002

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