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1997•International Journal of Modern Physics ARequires access

D = 3 Gauge Dynamics: Yang-Mills and Yang-Mills-Chern-Simons Theory

John M. Cornwall

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Abstract

We summarize recent progress in understanding non-perturbative effects of Yang-Mills (YM) and Yang-Mills Chern-Simons (YMCS) theories in three dimensions, based on a monopole-vortex vacuum condensate. In YM theory these include dynamical generation of a gluon mass, quantum vortex solitons, and and entropy-driven condensate of these solitons. This leads to confinement as well as CS fluctuations (related to B+L violation). These two phenomena are both described in terms of topological linkings of closed vortices with a Wilson loop (confinement) or with each other (CS fluctuations). In SU(N) YMCS theory with a level-k CS term, similar effects occur for k less than a critical value kc ≈ 2N, while for larger k there is a phase transition to a purely perturbative regime with no dynamical mass (just the perturbative CS mass), solitons, or condensate.

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What this paper is about

We summarize recent progress in understanding non-perturbative effects of Yang-Mills (YM) and Yang-Mills Chern-Simons (YMCS) theories in three dimensions, based on a monopole-vortex vacuum condensate. In YM theory these include dynamical generation of a gluon mass, quantum vortex solitons, and and entropy-driven condensate of these solitons. This leads to confinement as well as CS fluctuations (related to B+L violation). These two phenomena are both described in terms of topological linkings of closed vortices with a Wilson loop (confinement) or with each other (CS fluctuations). In SU(N) YMCS theory with a level-k CS term, similar effects occur for k less than a critical value kc ≈ 2N, while for larger k there is a phase transition to a purely perturbative regime with no dynamical mass (just the perturbative CS mass), solitons, or condensate.

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Available abstract

We summarize recent progress in understanding non-perturbative effects of Yang-Mills (YM) and Yang-Mills Chern-Simons (YMCS) theories in three dimensions, based on a monopole-vortex vacuum condensate. In YM theory these include dynamical generation of a gluon mass, quantum vortex solitons, and and entropy-driven condensate of these solitons. This leads to confinement as well as CS fluctuations (related to B+L violation). These two phenomena are both described in terms of topological linkings of closed vortices with a Wilson loop (confinement) or with each other (CS fluctuations). In SU(N) YMCS theory with a level-k CS term, similar effects occur for k less than a critical value kc ≈ 2N, while for larger k there is a phase transition to a purely perturbative regime with no dynamical mass (just the perturbative CS mass), solitons, or condensate.

Key concepts: Physics, Yang–Mills existence and mass gap, Chern–Simons theory, Yang–Mills theory, Mass generation, Gauge theory, Vortex, Mathematical physics

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