Cluster spin-glass distribution functions in La2-xSrxCuO4 - art. no. 054409

Signatures of the cluster spin glass have been found in a variety of experi ments, with an effective onset temperature T-on that is frequency dependent . We reanalyze the experimental results and find that they are characterize d by a distribution of activation energies, with a nonzero glass transition temperature T-g(x) <T-on. While the distribution of activation energies is the same, the distribution of weights depends on the process. Remarkably, the weights are essentially doping independent.