Proceedings of the 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021) 2022
DOI: 10.22323/1.396.0101
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Breaking the gauge symmetry in lattice gauge-invariant models.

Abstract: We consider the role that gauge symmetry breaking terms play on the continuum limit of gauge theories in three dimensions. As a paradigmatic example we consider scalar electrodynamics in which N f complex scalar fields interact with a U(1) gauge field. We discuss under which conditions a gauge-symmetry breaking term destabilizes the critical behavior (continuum limit) of the gauge-invariant theory. We find that the gauge symmetry is robust at transitions at which gauge fields are not critical. At charged trans… Show more

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