Comment on "Scaling of the linear response in simple aging systems without disorder"

Federico Corberi, Eugenio Lippiello, Marco Zannetti

We have repeated the simulations of Henkel, Paessens and Pleimling (HPP) [Phys.Rev.E {\bf 69}, 056109 (2004)] for the field-cooled susceptibility ${\chi }_{FC}(t)-{\chi }_0\sim t^{-A}$ in t…