Non-Abelian Proca theories with extra fields: particlelike and flux tube solutions

Джунушалиев Владимир Джумакадырович, Vladimir Folomeev, Т.A. Kozhamkulov, A Makhmudov, T.B. Ramazanov

2020

Data confidence 70 medium

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Abstract

Abstract We consider non-Abelian Proca theories with extra fundamental fields included. In the case of SU(2) Proca theory with nonlinear scalar and spinor fields, we obtain spherically symmetric regular solutions describing particlelike configurations with finite energy. For such systems, we find the energy spectrum and show the presence of a mass gap. In the case of SU(3) Proca theory with a nonlinear scalar field, we obtain cylindrically symmetric solutions describing tubes either with the flux of a longitudinal electric field or with the energy flux or with both of them. It is shown that the tubes with the energy flux may contribute considerably to the Proca proton spin. Consistent with all of this, we have argued that non-Abelian Proca theories containing extra fields may approximately describe some phenomena in QCD.