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Three fermionic generations on a topological defect in extra dimensions. (English) Zbl 1097.81931
Summary: We suggest a mechanism explaining the origin of three generations of the Standard Model fermions from one generation in a higher-dimensional theory. Four-dimensional fermions appear as zero modes trapped in the core of a topological defect with topological number three. We discuss hierarchical pattern of masses and mixings which arises in these models.

MSC:
81V22 Unified quantum theories
81T45 Topological field theories in quantum mechanics
83E15 Kaluza-Klein and other higher-dimensional theories
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