Is There a C-Function in 4D Quantum Einstein Gravity?

Daniel Becker () and Martin Reuter ()
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Daniel Becker: University of Mainz, Institute of Physics
Martin Reuter: University of Mainz, Institute of Physics

A chapter in Quantum Mathematical Physics, 2016, pp 19-41 from Springer

Abstract: Abstract We describe a functional renormalization group-based method to search for ‘C-like’ functions with properties similar to that in 2D conformal field theory. It exploits the mode counting properties of the effective average action and is particularly suited for theories including quantized gravity. The viability of the approach is demonstrated explicitly in a truncation of 4 dimensional Quantum Einstein Gravity, i.e. asymptotically safe metric gravity.

Keywords: Quantum gravity; Asymptotic safety; c-theorem. (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-26902-3_2

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DOI: 10.1007/978-3-319-26902-3_2

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