Transition of a Kantowski-Sachs cosmological model into an inflationary era

Journal Article · Thu May 01 04:00:00 EDT 1986 · J. Math. Phys. (N.Y.); (United States)

DOI:https://doi.org/10.1063/1.527107· OSTI ID:5961600

Gron, O

An empty Kantowski-Sachs universe model with a cosmological constant is found. It emerges from a pancake singularity at t = 0. If the cosmological constant is of the same magnitude as that induced by a GUT vacuum phase transition, this universe enters an exponentially expanding era at the GUT time t/sub G/ = 1,0x10/sup -35/ sec. The universe then isotropizes rapidly, and the shear diminishes by a factor of 10/sup -56/ if this inflationary era lasts for t/sub 1/ = 1,3x10/sup -33/ sec, as is the case in Guth's inflationary universe model.

• Research Organization: Institute of Physics, University of Oslo, Oslo, Norway
• OSTI ID: 5961600
• Journal Information: J. Math. Phys. (N.Y.); (United States), Journal Name: J. Math. Phys. (N.Y.); (United States) Vol. 27:5; ISSN JMAPA
• Country of Publication: United States
• Language: English

Related Subjects

640106* -- Astrophysics & Cosmology-- Cosmology
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANALYTICAL SOLUTION
COSMOLOGICAL CONSTANT
COSMOLOGICAL MODELS
EINSTEIN FIELD EQUATIONS
EQUATIONS
EXPANSION
FIELD EQUATIONS
FIELD THEORIES
ISOTROPY
MATHEMATICAL MODELS
PHASE TRANSFORMATIONS
UNIFIED-FIELD THEORIES
UNIVERSE