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Functional Renormalization Group flows on Friedman-Lemaître-Robertson-Walker backgrounds (1710.01972v1)
Published 5 Oct 2017 in hep-th and gr-qc
Abstract: We reanalyze the construction of the gravitational functional renormalization group equation tailored to the Arnowitt-Deser-Misner formulation emphasizing its connection to the covariant formulation. The results obtained from projecting the renormalization group flow onto the Einstein-Hilbert action are reviewed in detail and we provide a novel example illustrating how the formalism may be connected to the Causal Dynamical Triangulations approach to quantum gravity.
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