Romeo Brunetti, Klaus Fredenhagen, Katarzyna Rejzner
Published 2013-06-05, updated 2015-04-23Version 4
We construct perturbative quantum gravity in a generally covariant way. In particular our construction is background independent. It is based on the locally covariant approach to quantum field theory and the renormalized Batalin-Vilkovisky formalism. We do not touch the problem of nonrenormalizability and interpret the theory as an effective theory at large length scales.
Comments: 44 pages, major revision done since the last version
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