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hep-th2023★ 2 cited
Robustness of the derivative expansion in Asymptotic Safety
Alessio Baldazzi, Kevin Falls, Yannick Kluth +1
We analyse the renormalisation group flow of quantum gravity at sixth order in the derivative expansion within the background field approximation. Non-linear field redefinitions ar…
hep-th2023
Renormalization group flows from the Hessian geometry of quantum effective actions
Yannick Kluth, Peter Millington, Paul Saffin
We explore a geometric perspective on quantum field theory by considering the configuration space, where all field configurations reside. Employing -particle irreducible effecti…