De Sitter Special Relativity: Effects on Cosmology

Details De Sitter Special Relativity: Effects on Cosmology De Sitter Special Relativity: Effects on Cosmology

2008-12-18

arxiv.org/abs/0812.3438v1

Grav.Cosmol.15:287-294,2009

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages

Scientific paper

10.1134/S020228930904001X

The main consequences of de Sitter Special Relativity to the Standard Cosmological Model of Physical Cosmology are examined. The cosmological constant Lambda appears, in this theory, as a manifestation of the proper conformal current, which must be added to the usual energy-momentum density. As that conformal current itself vanishes in absence of sources, Lambda is ultimately dependent on the matter content, and can in principle be calculated. A present-day value very close to that given by the crossed supernova/BBR data is obtained through simple and reasonable approximations. Also a primeval inflation of polynomial type is found, and the usual notion of co-moving observer is slightly modified.

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