Homogeneous cosmological models and new inflation
Journal Article
·
· Phys. Rev. Lett.; (United States)
The promise of the inflationary-Universe scenario is to free the present state of the Universe from extreme dependence upon initial data. Paradoxically, inflation is usually analyzed in the context of the homogeneous and isotropic Robertson-Walker cosmological models. We show that all but a small subset of the homogeneous models undergo inflation. Any initial anisotropy is so strongly damped that if sufficient inflation occurs to solve the flatness-horizon problems the Universe today would still be very isotropic.
- Research Organization:
- NASA/Fermilab Astrophysics Center, Fermi National Accelerator Laboratory, Batavia, Illinois 60510 and Department of Physics, Enrico Fermi Institute, The University of Chicago, Chicago, Illinois 60637
- OSTI ID:
- 6955423
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 57:17; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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