Nonadditive entropy for random quantum spin-S chains
classification
🪐 quant-ph
cond-mat.stat-mech
keywords
chainsentropyquantumscalingspin-svaluesassociatedcentral
read the original abstract
We investigate the scaling of Tsallis entropy in disordered quantum spin-S chains. We show that an extensive scaling occurs for specific values of the entropic index. Those values depend only on the magnitude S of the spins, being directly related with the effective central charge associated with the model.
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