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arXiv · gr-qc/0103022

Conformal symmetry and deflationary gas universe

Winfried Zimdahl·Alexander B. Balakin
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Abstract

We describe the ``deflationary'' evolution from an initial de Sitter phase to a subsequent Friedmann-Lema\^ıtre-Robertson-Walker (FLRW) period as a specific non-equilibrium configuration of a self-interacting gas. The transition dynamics corresponds to a conformal, timelike symmetry of an ``optical'' metric, characterized by a refraction index of the cosmic medium which continously decreases from a very large initial value to unity in the FLRW phase.

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Winfried Zimdahl, Alexander B. Balakin. 2001-03-08. Conformal symmetry and deflationary gas universe. https://doi.org/10.1007/0-306-47115-9_23

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