Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982gregr..14.1051z&link_type=abstract
General Relativity and Gravitation, vol. 14, Nov. 1982, p. 1051-1060.
Astronomy and Astrophysics
Astrophysics
Broken Symmetry, Cosmology, Leptons, Space-Time Functions, Universe, Astronomical Models, Astrophysics, Self Organizing Systems, Systems Stability
Scientific paper
The creation of structure in the lepton era of the early Universe is discussed in terms of a suitably chosen dynamical system of Brusselator type. A bifurcation analysis is performed and a criterion is extracted for the onset of instabilities in the system which in turn lead to self-organizing processes in the associated conglomerate of elementary particles. This may be interpreted as a symmetry-breaking mechanism which might be responsible for the creation of protostructures on space-time due to density fluctuations, the latter controlling the further agglomeration of matter once matter and radiation have decoupled at a temperature level of some 4000 K. The influence of curvature is discussed in considering a background of Bianchi type I with respect to the onset of instability, and the notion of a local concept on space-time is reviewed from an interactive point of view.
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