Towards a C-function in 4D quantum gravity
Towards a C-function in 4D quantum gravity
We develop a generally applicable method for constructing functions, , which have properties similar to Zamolodchikov's C-function, and are geometrically natural objects related to the theory space explored by non-perturbative functional renormalization group (RG) equations. Employing the Euclidean framework of the Effective Average Action (EAA), we propose a -function which …