Physics
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990an....311....1w&link_type=abstract
Astronomische Nachrichten (ISSN 0004-6337), vol. 311, no. 1, 1990, p. 1-4.
Physics
1
Cosmology, Entropy, Equations Of State, Field Theory (Physics), String Theory, Flux Density, Topology, Universe
Scientific paper
The source of the primordial entropy of the universe is investigated. The evolution of the scale factor in 10 dimensions is studied with both a radiative equation of state and an equation of state for stiff matter, and it is shown that the primordial entropy of the universe can be generated in the residual phase prior to the Calabi-Yau splitting and following the field theory limit of the heterotic superstring in 10 space-time dimensions. It is suggested that strings might be an intermediate phase between pure gravitation and a matter phase, and that strings themselves are born of gravitational condensation.
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