Will the tachyonic universe survive the big brake?
We investigate a Friedmann universe filled with a tachyon scalar field, which behaved as dustlike matter in the past, while it is able to accelerate the expansion rate of the Universe at late times. The comparison with type Ia supernovae (SNIa) data allows for evolutions driving the Universe into a...
Elmentve itt :
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| Dokumentumtípus: | Cikk |
| Megjelent: |
American Physical Society
2010
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| Sorozat: | PHYSICAL REVIEW D
82 |
| doi: | 10.1103/PhysRevD.82.123534 |
| mtmt: | 1604485 |
| Online Access: | http://publicatio.bibl.u-szeged.hu/7961 |