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quant-ph2026
Complexity in multi-qubit and many-body systems
Imre Varga
Characterizing complexity and criticality in quantum systems requires diagnostics that are both computationally tractable and physically insightful. We apply a measure of quantum s…
quant-ph2025
Complexity of two-level systems
Imre Varga
Complexity of two-level systems, e.g. spins, qubits, magnetic moments etc, are analysed based on the so-called correlational entropy in the case of pure quantum systems and the the…