On the Possibility of Quantum Gravity Effects at Astrophysical Scales
M. Reuter, H. Weyer
Abstract
The nonperturbative renormalization group flow of Quantum Einstein Gravity (QEG) is reviewed. It is argued that at large distances there could be strong renormalization effects, including a scale dependence of Newton's constant, which mimic the presence of dark matter at galactic and cosmological scales.
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