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Imperfect fluid Friedmannian cosmology

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Abstract

The bulk viscosity is introduced into the frame of ordinary Friedmannian cosmology (under highly idealized assumption of the constant coefficient of bulk viscosity). Explicit solutions are given for the viscous flat universe filled with the dust-substratum and for the viscous radiative universe. The problem, how does the introduction of viscosity affect the appearance of singularity, is briefly discussed.

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Authors and Affiliations

  1. Astronomical Observatory of Jagellonian University, Cracow, Poland

    M. Heller & Z. Klimek

  2. Academy of Mining and Metallurgy, Cracow, Poland

    L. Suszycki

Authors
  1. M. Heller
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  2. Z. Klimek
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  3. L. Suszycki
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Heller, M., Klimek, Z. & Suszycki, L. Imperfect fluid Friedmannian cosmology. Astrophys Space Sci 20, 205–212 (1973). https://doi.org/10.1007/BF00645597

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  • DOI: https://doi.org/10.1007/BF00645597

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