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Supersymmetry and Broken Symmetries at High Temperature

Antonio Riotto, Goran Senjanović

hep-pharXiv:hep-ph/9702319

Abstract

It is generally believed that internal symmetries are necessarily restored at high temperature in supersymmetric theories. We provide simple and natural counterexamples to this no-go theorem for systems having a net background charge. We exemplify our findings on abelian models, for both cases of global and local symmetries and discuss their possible implications.

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