Cosmological perturbation theory in slow-roll spacetimes.
We present a gauge-invariant argument that a nonlocal measure of second-order metric and matter perturbations dominates that of linear fluctuations in its effect on the gravitational field in "slow-rolling" spacetimes.
Department of Physics, P-412, Avadh Bhatia Physics Laboratory, University of Alberta, Edmonton, Alberta T6G 2J1, Canada. blosic@phys.ualberta.ca
B
B
Losic
W G
WG
Unruh