Growth of density inhomogeneities in Newtonian cosmological models with variable Λ

Details Growth of density inhomogeneities in Newtonian cosmological models with variable Λ Growth of density inhomogeneities in Newtonian cosmological models with variable Λ

Aug 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994phrvd..50.2928a&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 50, Issue 4, 15 August 1994, pp.2928-2931

Mathematics

Logic

16

Scientific paper

We analyze the growth of density perturbations in Newtonian cosmological models with continuous matter creation and obtain the time evolution equation for the mass density contrast. The special case where matter is created by the decay of a cosmological term (Λ) varying as Λ=3βH2 is examined. Constraints on the value of β from the observed high isotropy of the cosmic microwave background radiation are also obtained.

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