Cosmological two-fluid thermodynamics
Winfried Zimdahl, Diego Pavón
Abstract
We reveal unifying thermodynamic aspects of so different phenomena as the cosmological electron-positron annihilation, the evaporation of primordial black holes with a narrow mass range, and the ``deflationary'' transition from an initial de Sitter phase to a subsequent standard Friedmann-Lema\ıtre-Robertson-Walker begin (FLRW) behavior.
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