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Mass hierarchies and non-decoupling in multi-scalar field dynamics
In this work we study the effects of field space curvature on scalar field perturbations around an arbitrary background field trajectory evolving in time. Non-trivial imprints of the `heavy' directions arise when the vacuum manifold of the potential does not coincide with the span of geodesics...
| Autores principales: | , , , , |
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| Formato: | info:eu-repo/semantics/article |
| Lenguaje: | eng |
| Publicado: |
2010
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/1267205 |