The nonperturbative functional renormalization group and its applications
The renormalization group plays an essential role in many areas of physics, both
conceptually and as a practical tool to determine the long-distance low-energy properties of …
conceptually and as a practical tool to determine the long-distance low-energy properties of …
Critical reflections on asymptotically safe gravity
Asymptotic safety is a theoretical proposal for the ultraviolet completion of quantum field
theories, in particular for quantum gravity. Significant progress on this program has led to a …
theories, in particular for quantum gravity. Significant progress on this program has led to a …
An asymptotically safe guide to quantum gravity and matter
A Eichhorn - Frontiers in Astronomy and Space Sciences, 2019 - frontiersin.org
Asymptotic safety generalizes asymptotic freedom and could contribute to understanding
physics beyond the Standard Model. It is a candidate scenario to provide an ultraviolet …
physics beyond the Standard Model. It is a candidate scenario to provide an ultraviolet …
Quantum gravity: a fluctuating point of view
In this contribution, we discuss the asymptotic safety scenario for quantum gravity with a
functional renormalization group approach that disentangles dynamical metric fluctuations …
functional renormalization group approach that disentangles dynamical metric fluctuations …
Further evidence for asymptotic safety of quantum gravity
The asymptotic safety conjecture is examined for quantum gravity in four dimensions. Using
the renormalization group, we find evidence for an interacting UV fixed point for polynomial …
the renormalization group, we find evidence for an interacting UV fixed point for polynomial …
Form Factors in Asymptotic Safety: conceptual ideas and computational toolbox
B Knorr, C Ripken, F Saueressig - Classical and Quantum Gravity, 2019 - iopscience.iop.org
Over the last years the asymptotic safety program has matured into a serious candidate for a
quantum theory of gravity compatible with observations. The rapid technical progress in …
quantum theory of gravity compatible with observations. The rapid technical progress in …
Aspects of asymptotic safety for quantum gravity
KG Falls, DF Litim, J Schröder - Physical Review D, 2019 - APS
We study fixed points of quantum gravity with renormalization group methods and a
procedure to remove convergence-limiting poles from the flow. The setup is tested within the …
procedure to remove convergence-limiting poles from the flow. The setup is tested within the …
Asymptotic safety of gravity with matter
We study the asymptotic safety conjecture for quantum gravity in the presence of matter
fields. A general line of reasoning is put forward explaining why gravitons dominate the high …
fields. A general line of reasoning is put forward explaining why gravitons dominate the high …
Asymptotic safety of quantum gravity beyond Ricci scalars
K Falls, CR King, DF Litim, K Nikolakopoulos… - Physical Review D, 2018 - APS
We investigate the asymptotic safety conjecture for quantum gravity including curvature
invariants beyond Ricci scalars. Our strategy is put to work for families of gravitational …
invariants beyond Ricci scalars. Our strategy is put to work for families of gravitational …
Constraining power of asymptotic safety for scalar fields
A Eichhorn, M Pauly - Physical Review D, 2021 - APS
We explore the phenomenology of scalar fields coupled to asymptotically safe quantum
gravity, in light of their potential significance for dark matter, for the inflaton as well as …
gravity, in light of their potential significance for dark matter, for the inflaton as well as …