The Kink variety in systems of two coupled scalar fields in two space-time dimensions

Abstract

In this paper we describe the moduli space of kinks in a class of systems of two coupled real scalar fields in (1+1) Minkowskian space-time. The main feature of the class is the spontaneous breaking of a discrete symmetry of (real) Ginzburg-Landau type that guarantees the existence of kink topological defects.

arXiv comment12 pages, 5 figures. To appear in Phys. Rev. D

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