Phys. Rev. D 61, 107301 (2000) [4 pages]Gauge-invariant fluctuations of the metric in stochastic inflationReceived 8 June 1999; published 6 April 2000 I derive the stochastic equation for the perturbations of the metric for a gauge-invariant energy-momentum tensor in stochastic inflation. A quantization for the field that describes the gauge-invariant perturbations for the metric is developed. In a power-law expansion for the universe the amplitude for these perturbations on a background metric could be very important in the infrared sector. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.61.107301
DOI:
10.1103/PhysRevD.61.107301
PACS:
98.80.Cq
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