Generation of seed perturbations from quantum cosmology
| dc.contributor.author | Souradeep, Tarun | |
| dc.date.accessioned | 2014-11-26T07:35:32Z | |
| dc.date.available | 2014-11-26T07:35:32Z | |
| dc.date.issued | 2014-11-26 | |
| dc.description.abstract | The origin of seed perturbations in the Universe is studied within the framework of a specific mini super space model. It is shown that the ‘creation’ of the Universe as a result of a quantum transition from a flat empty space time would lead to a flat FLRW (Friedmann Lemaitre Robertson- Walker) Universe with weak inhomogeneous perturbations at large wavelengths. The power spectrum of these perturbations is found to be scale invariant at horizon crossing (i.e., the Harrison- Zeldovich spectrum). It is also recognised that the seed perturbations generated in our model would be generically of the isocurvature kind. | en_US |
| dc.identifier.uri | http://hdl.handle.net/11007/2712 | |
| dc.language.iso | en | en_US |
| dc.relation.ispartofseries | IUCAA Preprint; 06/1992; | |
| dc.subject | Cosmology | en_US |
| dc.subject | Celestial mechanics | en_US |
| dc.title | Generation of seed perturbations from quantum cosmology | en_US |
| dc.type | Article | en_US |