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2012•arXiv (Cornell University)Open access

Fixed points and infrared completion of quantum gravity

Nicolai Christiansen, Daniel F. Litim, Jan M. Pawlowski, Andreas Rodigast

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Abstract

The phase diagram of four-dimensional Einstein-Hilbert gravity is studied using Wilson's renormalization group. Smooth trajectories connecting the ultraviolet fixed point at short distances with attractive infrared fixed points at long distances are derived from the non-perturbative graviton propagator. Implications for the asymptotic safety conjecture and further results are discussed.

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The phase diagram of four-dimensional Einstein-Hilbert gravity is studied using Wilson's renormalization group. Smooth trajectories connecting the ultraviolet fixed point at short distances with attractive infrared fixed points at long distances are derived from the non-perturbative graviton propagator. Implications for the asymptotic safety conjecture and further results are discussed.

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Available abstract

The phase diagram of four-dimensional Einstein-Hilbert gravity is studied using Wilson's renormalization group. Smooth trajectories connecting the ultraviolet fixed point at short distances with attractive infrared fixed points at long distances are derived from the non-perturbative graviton propagator. Implications for the asymptotic safety conjecture and further results are discussed.

Key concepts: Infrared fixed point, Asymptotic safety in quantum gravity, Fixed point, Graviton, Ultraviolet fixed point, Quantum gravity, Propagator, Conjecture

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