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

Federico Corberi·Eugenio Lippiello·Marco Zannetti
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Abstract

We have repeated the simulations of Henkel, Paessens and Pleimling (HPP) [Phys.Rev.E {\bf 69}, 056109 (2004)] for the field-cooled susceptibility $χ_{FC}(t) - χ_0 \sim t^{-A}$ in the quench of ferromagnetic systems to and below $T_C$. We show that, contrary to the statement made by HPP, the exponent $A$ coincides with the exponent $a$ of the linear response function $R(t,s) \sim s^{-(1+a)}f_R(t/s)$. We point out what are the assumptions in the argument of HPP that lead them to the conclusion $A<a$.

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Federico Corberi, Eugenio Lippiello, Marco Zannetti. 2005-06-06. Comment on "Scaling of the linear response in simple aging systems without disorder". https://doi.org/10.1103/physreve.72.028103

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