Quantum fluctuations and semiclassicality in an inflaton-driven evolution
Quantum fluctuations and semiclassicality in an inflaton-driven evolution
A semiclassical description of quantum systems is applied to probe the dynamics of the cosmological model of an inflationary universe with quadratic inflaton potential, described in a quantum framework of geometrodynamics. The systematic analysis, focusing in particular on the inflationary and post-inflationary epochs, revealed several surprising and counterintuitive features: $(i)$ …