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Semiclassical Cosmological Perturbations Generated during Inflation

Albert Roura·Enric Verdaguer
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Abstract

Environment interaction may induce stochastic semiclassical dynamics in open quantum systems. In the gravitational context, stress-energy fluctuations of quantum matter fields give rise to a stochastic behaviour in the spacetime geometry. Einstein-Langevin equation is a suitable tool to take these effects into account when addressing the back-reaction problem in semiclassical gravity. We analyze within this framework the generation of gravitational fluctuations during inflation, which are of great interest for large-scale structure formation in cosmology.

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Albert Roura, Enric Verdaguer. 2000-05-08. Semiclassical Cosmological Perturbations Generated during Inflation. https://doi.org/10.1023/a%3A1003641714822

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