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Cosmological models with particle creation and bulk viscosity

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Abstract

The effect of bulk viscosity on the evolution of the Friedmann models is investigated in the context of open thermodynamic systems, which allows for particle creation. It is seen that, by choosing an appropriate function,φ(t), for the particle creation, all the models presented exhibit inflationary expansion and a non-singular beginning.

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Authors and Affiliations

  1. Department of Physics, R. K. M. Vivekananda College, Mylapore, 600004, Madras, India

    R. Sudharsan

  2. Department of Mathematics, Indian Institute of Technology, 600036, Madras, India

    V. B. Johri

Authors
  1. R. Sudharsan
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  2. V. B. Johri
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Sudharsan, R., Johri, V.B. Cosmological models with particle creation and bulk viscosity. Gen Relat Gravit 26, 41–51 (1994). https://doi.org/10.1007/BF02088207

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  • DOI: https://doi.org/10.1007/BF02088207

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