135 citations · 515 across the 21 of their papers we have counts for
21 papers
Effect of droplet configurations within the functional renormalization group of the Ising model approaching the lower critical dimension
Ivan Balog, Lucija Nora Farkaš, Maroje Marohnić +1
We explore the application of the nonperturbative functional renormalization group (NPFRG) within its most common approximation scheme based on truncations of the derivative expans…
On the breakdown of dimensional reduction and supersymmetry in random-field models
Gilles Tarjus, Matthieu Tissier, Ivan Balog
We discuss the breakdown of the Parisi-Sourlas supersymmetry (SUSY) and of the dimensional-reduction (DR) property in the random field Ising and O() models as a function of spac…
Approach to the lower critical dimension of the theory in the derivative expansion of the Functional Renormalization Group
Lucija Nora Farkaš, Gilles Tarjus, Ivan Balog
We revisit the approach to the lower critical dimension in the Ising-like theory within the functional renormalization group by studying the lowest approximation…
Critical probability distributions of the order parameter from the functional renormalization group
I. Balog, A. Rançon, B. Delamotte
We show that the functional renormalization group (FRG) allows for the calculation of the probability distribution function of the sum of strongly correlated random variables. On t…
Exact generating function of a zero-dimensional supersymmetric non-linear sigma model
Adam Rançon, Ivan Balog
We compute exactly the generating function of a supersymmetric non-linear sigma model describ-ing random matrices belonging to the unitary class. Although an arbitrary source expli…
Dimensional reduction breakdown and correction to scaling in the random-field Ising model
Ivan Balog, Gilles Tarjus, Matthieu Tissier
We provide a theoretical analysis by means of the nonperturbative functional renormalization group (NP-FRG) of the corrections to scaling in the critical behavior of the random-fie…