Self-Dual Tensors and Partial Supersymmetry Breaking in Five Dimensions
| Autor: | Andreas Kapfer, Thomas W. Grimm |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
High Energy Physics - Theory
Physics Nuclear and High Energy Physics Supergravity hep-th Supercharge High Energy Physics::Phenomenology FOS: Physical sciences hep-ph Supersymmetry breaking Tensor field High Energy Physics - Phenomenology High Energy Physics::Theory High Energy Physics - Phenomenology (hep-ph) High Energy Physics - Theory (hep-th) Minkowski space Gravitino Tensor Multiplet Mathematical physics |
| Zdroj: | Journal of High Energy Physics |
| DOI: | 10.48550/arxiv.1402.3529 |
| Popis: | We study spontaneous supersymmetry breaking of five-dimensional supergravity theories from sixteen to eight supercharges in Minkowski vacua. This N=4 to N=2 breaking is induced by Abelian gaugings that require the introduction of self-dual tensor fields accompanying the vectors in the gravity multiplet and vector multiplets. These tensor fields have first-order kinetic terms and can become massive by a Stueckelberg-like mechanism. We identify the general class of N=2 vacua and show how the N=4 spectrum splits into massless and massive N=2 multiplets. In particular, we find a massive gravitino multiplet, containing two complex massive tensors, and a number of massive tensor multiplets and hypermultiplets. We determine the resulting N=2 effective action for the massless multiplets obtained by integrating out massive fields. We show that the metric and Chern-Simons terms of the vectors are corrected at one-loop by massive tensors as well as spin-1/2 and spin-3/2 fermions. These contributions are independent of the supersymmetry-breaking scale and thus have to be included at arbitrarily low energies. Comment: 33 pages |
| Databáze: | OpenAIRE |
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