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arXiv · 2606.05562

Charting the different phases of Yang-Mills-Chern-Simons-Higgs theories

Daniel O. R. Azevedo·Gustavo P. de Brito·Philipe De Fabritiis·Antonio D. Pereira
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Abstract

We explore Yang-Mills-Chern-Simons theories coupled to a Higgs-like field in the fundamental representation of $SU(2)$ quantized in linear covariant gauges in three Euclidean dimensions. We analyze the modifications in the analytic structure of the gluon propagator due to the elimination of infinitesimal Gribov copies. The interplay between the Higgs, the Chern-Simons and Gribov mass parameters is investigated. Two different phases are identified: a confining one, where all poles are complex, and a deconfined one, where would-be physical gluon excitation can appear. Unlike previous works, the Gribov parameter is consistently fixed by its gap equation as a function of the other mass parameters and the gauge coupling. This imposes a constraint in the parameter space and makes transparent how the competition of the mass parameters affects the relevance of the Gribov parameter for the characterization of the spectrum of the theory.

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Daniel O. R. Azevedo, Gustavo P. de Brito, Philipe De Fabritiis, Antonio D. Pereira. 2026-06-04. Charting the different phases of Yang-Mills-Chern-Simons-Higgs theories. https://arxiv.org/abs/2606.05562

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