13-18 December 2015
International Conference Centre Geneva
Europe/Zurich timezone

Inhomogeneous conformally flat models of the universe

14 Dec 2015, 15:24
21m
Level 2, Room 13 (International Conference Centre Geneva)

Level 2, Room 13

International Conference Centre Geneva

17 Rue de Varembé, 1211 Geneva

Speaker

Mariusz Dabrowski (University of Szczecin)

Description

I will discuss the benefits of the conformally flat inhomogeneous pressure models of the universe. Then, I will present the results of checking these models against supernovae data for off-centers observers and against other data (BAO, CMB) for the centrally-placed observers. I will also comment on the possible advantage of these models in view of the recently given Green and Wald conditions for backreaction to mimic dark energy. 1. A. Balcerzak, M.P. Dąbrowski, and T. Denkiewicz, Off-center observers versus supernovae in inhomogeneous pressure universes, Astroph. Journ. 792, 92-99 (2014). 2. A. Balcerzak, M.P. Dąbrowski, T. Denkiewicz, D. Polarski, D. Puy, A critical assessment of some inhomogeneous pressure Stephani models, Phys. Rev. D91, 083506 (2015). 3. A. Balcerzak, M.P. Dąbrowski - in progress.

Primary author

Mariusz Dabrowski (University of Szczecin)

Co-author

Dr Adam Balcerzak (University of Szczecin)

Presentation Materials