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Inhomogeneous model with cosmological term

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Abstract

In this paper, by allowing both pressure and curvature, we exhibit someproperties of the cosmological models with varying cosmological term inthe framework of the Lemaítre-Tolman-Bond (LTB) metric. For thepreceding consideration we derive from Einstein's equations (EFE's) ahomogeneous and inhomogeneous solutions. The evolution of these models isexhibited.We also derive another class of solutions that give the asymptotically toexponential `inflation' type model at the infinity.

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Authors and Affiliations

  1. Instituto de Fisica, Universidade Federal Fluminense, Gragoatá, CEP 24210-340, Niterói, RJ, Brazil

    N.A. Tomimura

  2. Departamento deCiências Naturais, Universidade do Rio de Janeiro, Unirio, Rua Voluntários da Pátria, 107, Botafogo, CEP22.270-000, Rio de Janeiro, RJ, Brazil

    D.C. Motta

  3. Centro Brasileiro de Pesquisas Físicas, CBPF, Rua XavierSigaud, 150, Urca, CEP 22.290-180, Rio de Janeiro, RJ, Brazil; E-mail

    D.C. Motta

Authors
  1. N.A. Tomimura
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Tomimura, N., Motta, D. Inhomogeneous model with cosmological term. Astrophysics and Space Science 274, 809–818 (2000). https://doi.org/10.1023/A:1026513020671

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