Averaging Inhomogeneous Universes: Volume, Angle, Line of Sight
| dc.creator | Linder, Eric V. | |
| dc.date | 1998-01-13 | |
| dc.date | 1998-01-14 | |
| dc.date.accessioned | 2026-07-07T02:25:48Z | |
| dc.date.available | 2026-07-07T02:25:48Z | |
| dc.description | Cosmologies that match in a volume averaged sense need not generally have the same light propagation behaviors. In particular a universe with inhomogeneity may not demonstrate the Friedmann-Robertson-Walker distance-redshift relation even after volume averaging to FRW spacetime. Even the Dyer-Roeder prescription for incorporating inhomogeneity within a universe equivalent to FRW in an angle averaged sense does not guarantee FRW behavior in general. To legitimately use the FRW distance-redshift relation to interpret observations, the physical conditions must match in a line of sight sense (defined herein: most observations do), since light probes the mass distribution or geometry on all length scales. | |
| dc.description | 9 pages, 0 figures, corrected references | |
| dc.identifier | https://arxiv.org/abs/astro-ph/9801122 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/9801122 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/12021 | |
| dc.subject | Astrophysics | |
| dc.title | Averaging Inhomogeneous Universes: Volume, Angle, Line of Sight | |
| dc.type | text |