Quantum Field Theory of Topological Defects as Inhomogeneous Condensates

Details Quantum Field Theory of Topological Defects as Inhomogeneous Condensates Quantum Field Theory of Topological Defects as Inhomogeneous Condensates

1999-10-24

arxiv.org/abs/hep-th/9910187v1

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 1 figure. To appear in the Proceedings of the 37th International School of Subnuclear Physics, Erice, 29 Aug. - 7 Se

Scientific paper

In the framework of the Closed-Time-Path formalism, we show how topological
defects may arise in Quantum Field Theory as result of a localized
(inhomogeneous) condensation of particles. We demonstrate our approach on two
examples; kinks in the $2D \lambda \psi^{4}$ theory (both at zero and finite
temperature) and vortices in the complex $4D \lambda \psi^{4} $ theory.

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