Figure 5
From: Long range correlations and slow time scales in a boundary driven granular model

(a) Spatial correlation function with respect to the site \(j=1,\frac{L}{2}\) for \(\beta =2\), \(T_1=T_a=T_L=0.001\) and different values of \(\alpha\) and L. The entries of \({\hat{\sigma }}\) are obtained from from Eq. (6) for \(t=s \gg 1\) and diagonalising \({\hat{A}}\). (b) Same curves shown in the left panel but as a function of the rescaled distance m/(L/2). The collapse of the cutoffs is a signature of scale-free correlations13.