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A field theory approach to cosmological density perturbations |
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| Authors: | Zdzisaw A. Golda Andrzej Woszczyna |
| Affiliation: | Astronomical Observatory, Jagellonian University, ul. Orla 171, 30-244, Kraków, Poland |
| Abstract: | Adiabatic perturbations propagate in the expanding universe like scalar massless fields in some effective Robertson–Walker space–time. |
| Keywords: | Universe Density perturbation Scalar field Acoustic geometry |
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