Exact Bianchi-type VIII and IX models in the presence of the self-creation theory of cosmology

1992 ◽  
Vol 189 (1) ◽  
pp. 39-43 ◽  
Author(s):  
Y. V. S. S. Sanyasiraju ◽  
V. U. M. Rao
Keyword(s):  
Bianchi Type ◽  
The Self ◽  
Type Viii ◽  
Viii And Ix

Exact Bianchi-type VIII and IX models in the presence of zero-mass scalar fields

1992 ◽  
Vol 187 (1) ◽  
pp. 113-117 ◽  
Author(s):  
V. U. M. Rao ◽  
Y. V. S. S. Sanyasiraju
Keyword(s):  
Bianchi Type ◽  
Scalar Fields ◽  
Type Viii ◽  
Zero Mass ◽  
Viii And Ix

A note on proper curvature collineations in Bianchi type VIII and IX space-times

2010 ◽  
Vol 16 (1) ◽  
pp. 61-64 ◽  
Author(s):  
Ghulam Shabbir ◽  
Amjad Ali ◽  
M. Ramzan
Keyword(s):  
Bianchi Type ◽  
Type Viii ◽  
Viii And Ix ◽  
Curvature Collineations ◽  
Proper Curvature

Bianchi type-VIII and IX models in the Lyttleton-Bondi universe

1991 ◽  
Vol 179 (1) ◽  
pp. 163-167 ◽  
Author(s):  
K. Shanthi ◽  
V. U. M. Rao
Keyword(s):  
Bianchi Type ◽  
Type Viii ◽  
Viii And Ix

scholarly journals Letter: Self-Similar Bianchi Type VIII and IX Models

2003 ◽  
Vol 35 (11) ◽  
pp. 2051-2056 ◽  
Author(s):  
Pantelis S. Apostolopoulos ◽  
Michael Tsamparlis
Keyword(s):  
Bianchi Type ◽  
Type Viii ◽  
Viii And Ix ◽  
Self Similar

scholarly journals The late-time behaviour of vortic Bianchi type VIII universes

2006 ◽  
Vol 23 (9) ◽  
pp. 3017-3035 ◽  
Author(s):  
Sigbjørn Hervik ◽  
Woei Chet Lim
Keyword(s):  
Bianchi Type ◽  
Late Time ◽  
Time Behaviour ◽  
Type Viii

scholarly journals Two Bianchi type VIII spatially homogeneous cosmologies

1977 ◽  
Vol 52 (1) ◽  
pp. 1-10 ◽  
Author(s):  
J. G. Miller
Keyword(s):  
Bianchi Type ◽  
Type Viii ◽  
Spatially Homogeneous ◽  
Homogeneous Cosmologies

Self-gravitating skyrmions

2016 ◽  
Vol 25 (09) ◽  
pp. 1641009
Author(s):  
Eloy Ayón-Beato ◽  
Fabrizio Canfora ◽  
Jorge Zanelli
Keyword(s):  
Cosmological Constant ◽  
Analytic Continuation ◽  
Direct Product ◽  
Regular Solution ◽  
Topological Charge ◽  
Bianchi Type ◽  
Product Formula ◽  
The Self ◽  
Energy Conditions ◽  
Stress Energy

A self-gravitating Skyrmion is an analytic and globally regular solution of the Einstein–Skyrme system with nonvanishing topological charge. The spacetime is the direct product [Formula: see text] and the Skyrmion is the self-gravitating generalization of the static hedgehog solution of Manton and Ruback. This solution can be promoted to a dynamical one in which the spacetime is a cosmology of the Bianchi type-IX and, through an analytic continuation, it can also be turned into a transversable asymptotically AdS Lorentzian wormhole. The stress–energy of this wormhole satisfies physically realistic energy conditions and the only “exotic matter” required by it is a negative cosmological constant.

Torsion as a source of expansion in a Bianchi type-I universe in the self-consistent Einstein-Cartan theory of a perfect fluid with spin density

1987 ◽  
Vol 35 (8) ◽  
pp. 2302-2308 ◽  
Author(s):  
James C. Bradas ◽  
Alphonsus J. Fennelly ◽  
Larry L. Smalley
Keyword(s):  
Perfect Fluid ◽  
Spin Density ◽  
Bianchi Type ◽  
The Self ◽  
Type I ◽  
Bianchi Type I ◽  
Self Consistent ◽  
Bianchi Type I Universe ◽  
Cartan Theory

Chaos in the long-term behavior of some Bianchi-type VIII models

1987 ◽  
Vol 19 (1) ◽  
pp. 73-94 ◽  
Author(s):  
Paul Halpern
Keyword(s):  
Bianchi Type ◽  
Type Viii ◽  
Long Term Behavior
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