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Duality in cosmological perturbation theory
Cosmological perturbation equations derived from low-energy effective actions are shown to be invariant under a duality transformation reminiscent of electric-magnetic, strong-weak coupling, S-duality. A manifestly duality-invariant approximation for perturbations far outside the horizon is introduc...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1998
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(98)00576-0 http://cds.cern.ch/record/347788 |