Metric fluctuations and its evolution during inflation

Abstract

W discuss the evolution of the fluctuations in a symmetric ${\varphi }_c$-exponential potential which provides a power-law expansion during inflation using both, the gauge invariant field $\Phi$ and the Sasaki-Mukhanov field.

version accepted in EPJC

Cited by in corpus (3)

• Scale invariant scalar metric fluctuations during inflation: non-perturbative formalism from a 5D vacuum
• Non-perturbative scalar gauge-invariant metric fluctuations from the Ponce de Leon metric in the STM theory of gravity
• Gauge invariant metric fluctuations in the early universe from STM theory of gravity: nonperturbative formalism