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Exact and Approximate Solutions in the Friedmann Cosmology

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Russian Physics Journal Aims and scope

A method for generating exact solutions of the equations of the scalar field dynamics in the case of flat Friedmann–Robertson–Walker space on the basis of form-invariant transformations is considered. A method for estimating the divergence of the exact and approximate solutions from the number of e-folds and the parameters of the cosmological perturbations is proposed.

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Authors and Affiliations

  1. Bauman Moscow State Technical University, Moscow, Russia

    I. V. Fomin

  2. Ulyanovsk State Pedagogical University, Ul’yanovsk, Russia

    S. V. Chervon

  3. Kwazulu-Natal University, Durban, South Africa

    S. V. Chervon

Authors
  1. I. V. Fomin
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  2. S. V. Chervon
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Corresponding author

Correspondence to I. V. Fomin.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 46–56, March, 2017.

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Fomin, I.V., Chervon, S.V. Exact and Approximate Solutions in the Friedmann Cosmology. Russ Phys J 60, 427–440 (2017). https://doi.org/10.1007/s11182-017-1091-x

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  • DOI: https://doi.org/10.1007/s11182-017-1091-x

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