Research Article

A Cosmological Model Based on a Quadratic Equation of State Unifying Vacuum Energy, Radiation, and Dark Energy

Figure 6

Evolution of the temperature with the time in linear scales. The dashed line corresponds to the standard radiation model of Section 3.2 exhibiting a finite time singularity at . Quantum mechanics limits the rise of the temperature to about half the Planck value . In the vacuum energy era, the temperature drops to zero exponentially rapidly for .
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