On single-copy entanglement
classification
🪐 quant-ph
cond-mat.stat-mech
keywords
chainsbehaviourcriticaldensityeigenvalueentanglementinterpretationlargest
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The largest eigenvalue of the reduced density matrix for quantum chains is shown to have a simple physical interpretation and power-law behaviour in critical systems. This is verified numerically for XXZ spin chains.
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