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Conformally symmetric Abelian Higgs sunspot and non-metricity of the Sun's spacetime
Authors:Metod Saniga
Institution:(1) Astronomical Institute, Slovak Academy of Sciences, Tatranská Lomnica, Czechoslovakia
Abstract:A U(1)-symmetric Yang-Mills-Higgs (i.e., an Abelian Higgs) sunspot's model is recognized to originate from a massless, complex-valued scalar field coupled minimally to electromagnetic gauge potentials in the background of a (globally)conformally symmetric semi-metric spacetime, whose metric structure is described by the generalized Einstein equations with nonvanishing (positive-valued) cosmological constant. It is shown, in particular, that non-linearity (selfcoupling) of the scalar field appears due to a non-zeroness of the cosmological term, whereas its non-zero vacuum amplitude is induced by the (Ricci scalar) curvature of the Sun's spacetime manifold.
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