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Gowdy phenomenology in scale-invariant variables

Lars Andersson1, Henk van Elst2 and Claes Uggla3

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The dynamics of Gowdy vacuum spacetimes is considered in terms of Hubble-normalized scale-invariant variables, using the timelike area temporal gauge. The resulting state space formulation provides for a simple mechanism for the formation of 'false' and 'true spikes' in the approach to the singularity, and a geometrical formulation for the local attractor.


PACS

04.20.Dw Singularities and cosmic censorship

04.25.D- Numerical relativity

98.80.Jk Mathematical and relativistic aspects of cosmology

MSC

83F05 Cosmology

83C75 Space-time singularities, cosmic censorship, etc.

Subjects

Gravitation and cosmology

Astrophysics and astroparticles

Dates

Issue 3 (7 February 2004)

Received 30 October 2003

Published 31 December 2003



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