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.
Losic
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Department of Physics, P-412, Avadh Bhatia Physics Laboratory, University of Alberta, Edmonton, Alberta T6G 2J1, Canada. blosic@phys.ualberta.ca
Unruh
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