Eigenvalue analysis of the density matrix of four-dimensional spin glasses supports replica symmetry breaking
@article{Correale2002EigenvalueAO, title={Eigenvalue analysis of the density matrix of four-dimensional spin glasses supports replica symmetry breaking}, author={Luca Correale and Enzo Marinari and Victor Martin-Mayor}, journal={Physical Review B}, year={2002}, volume={66}, pages={174406} }
We present a general and powerful numerical method useful to study the density matrix of spin models. We apply the method to finite-dimensional spin glasses, and analyze in detail the four-dimensional EdwardsAnderson model with Gaussian quenched random couplings. Our results clearly support the existence of replica symmetry breaking in the thermodynamical limit.
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