Decaying vacuum flat cosmological models - Expressions for some observable quantities and their properties

Details Decaying vacuum flat cosmological models - Expressions for some observable quantities and their properties Decaying vacuum flat cosmological models - Expressions for some observable quantities and their properties

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...414..436w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 414, no. 2, p. 436-448.

Statistics

Computation

90

Astronomical Models, Cosmology, Red Shift, Computational Astrophysics, Einstein Equations, Field Theory (Physics), Luminosity, Relic Radiation, Vacuum

Scientific paper

Flat cosmological models with a cosmological term varying as Lambda = (alpha)(R exp -2) + (beta)(H squared) + gamma are investigated. Exact expressions for observable quantities are obtained and some of their properties discussed. The lookback time-redshift, the luminosity distance-redshift, the angular diameter distance-redshift, and the comoving volume derivative-redshift diagrams for some selected world models are also presented.

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