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Accelerated Expansion: Theory and Observations

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Abstract

The present paradigm in cosmology is the usual Big-Bang Cosmology inwhich two stages of accelerated expansion are incorporated: the inflationaryphase in the very early universe which produces the classical inhomogeneitiesobserved in the universe, and a second stage of acceleration at the presenttime as the latest Supernovae observations seem to imply. Both stages couldbe produced by a scalar field and observations will strongly constrain the microscopic lagrangian of any proposed model.

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Authors and Affiliations

  1. LPM, Univ. Montpellier II, UMR 5825, 34095, Montpellier Cedex 05, France

    David Polarski

  2. LPMT, UPRES-A 6083, Univ. Tours, F-37200, Tours, France

    David Polarski

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  1. David Polarski
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Polarski, D. Accelerated Expansion: Theory and Observations. Journal of Low Temperature Physics 124, 17–24 (2001). https://doi.org/10.1023/A:1017509430993

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