Fourth-rank cosmology

Details Fourth-rank cosmology Fourth-rank cosmology

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992stin...9330997m&link_type=abstract

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Physics

Cosmology, Gravitation, Ideal Fluids, Mathematical Models, Relativistic Theory, Field Theory (Physics), Matter (Physics), Quantum Mechanics

Scientific paper

Some cosmological implications of the recently proposed fourth-rank theory of gravitation are studied. The model exhibits the possibility of being free from the horizon and flatness problems at the price of introducing a negative pressure. The field equations obtained are compatible with kobs=0 and Omegaobs is less than 0.18 for our present day universe; they imply -p/rho is less than 0.055 which corresponds to an almost pressureless perfect fluid. Furthermore, there is no horizon problem for t is greater than tclas approximately 1020tPlanck approximately 10-23s. When interpreted at the light of General Relativity the treatment is shown to be almost equivalent to that of the standard model of cosmology combined with the inflationary scenario. Hence, an interpretation of the negative pressure hypothesis is provided.

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