Gauge invariant metric fluctuations in the early universe from STM theory of gravity: nonperturbative formalism
arXiv:0705.3475 · doi:10.1016/j.physletb.2007.07.028
Abstract
We develop a nonperturbative quantum field formalism to describe scalar gauge-invariant metric flucturations in the early universe from a 5D apparent (Ricci flat) vacuum.
version accepted in Physics Letters B