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Homogeneous cosmological models and new inflationThe 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. It is shown 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 and horizon problems, the universe today would still be very isotropic.
Document ID
19870034599
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Turner, Michael S.
(NASA Headquarters Washington, DC United States)
Widrow, Lawrence M.
(NASAFermilab Astrophysics Center Batavia, IL; Chicago, University, IL, United States)
Date Acquired
August 13, 2013
Publication Date
October 27, 1986
Publication Information
Publication: Physical Review Letters
Volume: 57
ISSN: 0031-9007
Subject Category
Astrophysics
Accession Number
87A21873
Distribution Limits
Public
Copyright
Other

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