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 …
Quantum Gravity from dynamical metric fluctuations
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 …
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 …
Gravitational two-loop counterterm is asymptotically safe
Weinberg's asymptotic safety scenario provides an elegant mechanism to construct a
quantum theory of gravity within the framework of quantum field theory based on a non …
quantum theory of gravity within the framework of quantum field theory based on a non …
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 …
Dynamical renormalization of black-hole spacetimes
A Platania - The European Physical Journal C, 2019 - Springer
We construct a black-hole spacetime which includes the running of the gravitational
coupling in a self-consistent way. Starting from a classical Schwarzschild black hole, the …
coupling in a self-consistent way. Starting from a classical Schwarzschild black hole, the …
Towards apparent convergence in asymptotically safe quantum gravity
The asymptotic safety scenario in gravity is accessed within the systematic vertex expansion
scheme for functional renormalisation group flows put forward in Christiansen et al.(Phys …
scheme for functional renormalisation group flows put forward in Christiansen et al.(Phys …
Local quantum gravity
We investigate the ultraviolet behavior of quantum gravity within a functional renormalization
group approach. The present setup includes the full ghost and graviton propagators and, for …
group approach. The present setup includes the full ghost and graviton propagators and, for …