Cosmic Defects and Particle Physics Constraints
A. C. Davis
Abstract
In these lectures we review the constraints on particle physics models arising from cosmic defects. This includes constraints on theories where stable cosmic string loops, or vortons result. These can arise in supersymmetric theories. We discuss the possibility of embedded defects being stabilised by the surrounding plasma, and the constraints imposed on such theories by the microwave background data. Finally, dilaton constraints are considered.
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