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Non-tilted Bianchi VII0 models - the radiation fluid

U S Nilsson, M J Hancock and J Wainwright

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We consider the late time behaviour of non-tilted perfect fluid Bianchi VII0 models when the source is a radiation fluid, thereby completing the analysis of the Bianchi VII0 models initiated by Wainwright et al in a recent paper. The models exhibit the phenomena of asymptotic self-similarity breaking and Weyl-curvature dominance at late times. The late time dynamics of the VII0 perfect fluid models, and in particular that of the radiation fluid, is a prime example of the complexity inherent in the field equations of general relativity.


PACS

04.40.Nr Einstein-Maxwell spacetimes, spacetimes with fluids, radiation or classical fields

98.80.-k Cosmology

04.20.Ha Asymptotic structure

MSC

83C30 Asymptotic procedures (radiation, news functions, H-spaces, etc.)

83F05 Cosmology

60G18 Self-similar processes

Subjects

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 16 (21 August 2000)

Received 8 December 1999, in final form 11 May 2000



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