Very early cosmology in the maximal acceleration hypothesis

Details Very early cosmology in the maximal acceleration hypothesis Very early cosmology in the maximal acceleration hypothesis

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.138..387g&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 138, no. 2, Nov. 1987, p. 387-391.

Mathematics

27

Acceleration (Physics), Astronomical Models, Big Bang Cosmology, Evolution (Development), Radiation Distribution, Singularity (Mathematics), Universal Time, Vacuum

Scientific paper

It is stressed that the very early Universe provides an example of a physical system in which the phenomenological consequences of a natural limit of the accelerations cannot be neglected. It is shown that the existence of such limit leads necessarily to modify the standard model in a way which avoids the initial singularity and introduces an inflationary expansion of the power-law type. The possibility is also suggested to relate the maximal acceleration hypothesis to a decaying vacuum scenario, in which the cosmological constant is proportional to the radiation density, and is then a decreasing function of the cosmic time.

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