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GAUGE INVARIANT COSMOLOGICAL BACKREACTION

    https://doi.org/10.1142/9789814374552_0229Cited by:0 (Source: Crossref)
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    Abstract:

    We show how to provide suitable gauge invariant prescriptions for quantum expectation values and we give a gauge invariant formulation of the cosmological backreaction. Our effective covariant equations allow us to describe in explicitly gauge invariant form the way quantum inhomogeneities affect the average evolution of the early Universe.