Structure of phenomenological lagrangians for broken supersymmetry |
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Authors: | Tsuneo Uematsu Cosmas K Zachos |
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Institution: | Fermi National Accelerator Laboratory, P.O. Box 500, Batavia, Illinois 60510, USA |
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Abstract: | We consider the explicit connection between linear representations of supersymmetry and the non-linear realizations associated with the generic effective lagrangians of the Volkov-Akulov type. We specify and illustrate a systematic approach for deriving the appropriate phenomenological lagrangian by transforming a pedagogical linear model, in which supersymmetry is broken at the tree level, into its corresponding non-linear lagrangian, in close analogy to the linear σ model of pion dynamics. We discuss the significance and some properties of such phenomenological lagrangians. |
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