Einstein-Like Equations with Coupled-to-Matter Λ Term

Details Einstein-Like Equations with Coupled-to-Matter Λ Term Einstein-Like Equations with Coupled-to-Matter Λ Term

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000ap%26ss.271...83m&link_type=abstract

Astrophysics and Space Science, v. 271, Issue 1, p. 83-89 (2000).

Astronomy and Astrophysics

Astrophysics

4

Scientific paper

We consider Einstein-like gravitational equations with Λ term proportional to the trace of the energy tensor. The possibility of Lagrangian formulation is shortly discussed. The theory is consistent with the present-day observations, both at the local and cosmological level. Horizon-free cosmological solutions are found and discussed. The initial condition S(0) = 0 (where S(t) is the expansion factor and t the cosmic time) requires hyperbolic space.

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