Avoiding the big bang - Matter production from Minkowski space and the early universe

Details Avoiding the big bang - Matter production from Minkowski space and the early universe Avoiding the big bang - Matter production from Minkowski space and the early universe

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...151..276w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 151, no. 2, Oct. 1985, p. 276-278. NSERC-supported research.

Physics

17

Big Bang Cosmology, Density Distribution, Evolution (Development), Matter (Physics), Minkowski Space, Universe, Astronomical Models, Space-Time Functions

Scientific paper

The big bang with infinite initial density can be replaced by an event in which matter is produced from empty Minkowski space. This can be done for spatially flat and open (k = 0, -1) Friedmann/Robertson/Walker models, and the latter is treated in most detail. If the scale factor of the model grows with time like S = t+αe-β/t (where α, β are constants), the density starts from zero, rises to a maximum and then declines, the equation of state tending to that of radiation. This may be an acceptable model for the early universe.

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