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Compactification and cosmic string phenomenology
Authors:U Bleyer  O Heinrich  V M Nikolaenko
Abstract:A U(1) model of gravitational, Higgs and, gauge fields is analysed. Two phases of the system are considered. In the case with broken symmetry we have the Nielsen-Olesen configuration. In the symmetric phase we find a space-time metric S2 × E12. This appears in full analogy to the Freund-Rubin compactification due to an antisymmeric tensor field. The connection of these structures with cosmic string phenomenology is analysed.
Keywords:cosmology  cosmological models  cosmic strings
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