Recovering an effective Weinberg-Salam-Glashow model from higher dimensions
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Publication:1576147
zbMATH Open0964.83516arXivhep-th/9605034MaRDI QIDQ1576147
Eckehard W. Mielke, Alfredo Macías
Publication date: 4 January 2001
Published in: Gravitation \& Cosmology (Search for Journal in Brave)
Abstract: We consider an 8--dimensional gravitational theory, which possesses a principle fiber bundle structure, with Lorentz--scalar fields coupled to the metric. One of them plays the role of a Higgs field and the other one that of a dilaton field. The effective cosmological constant is interpreted as a Higgs potential. The Yukawa couplings are introduce by hand. The extra dimensions constitute a group manifold. Dirac fields are coupled to the potentials derived from the metric. As result, we obtain an effective four--dimensional theory which contains all couplings of a Weinberg--Salam--Glashow theory in a curved space-time. The masses of the gauge bosons and of the first two fermion families are given by the theory.
Full work available at URL: https://arxiv.org/abs/hep-th/9605034
String and superstring theories in gravitational theory (83E30) Quantum field theory on curved space or space-time backgrounds (81T20)
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