In multi-copy state discrimination, qubit strategies beat bit strategies, but some bit-like operational theories outperform qubits even classically, revealing nonlocality without entanglement and providing general bounds.
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Nonclassical traits in multi-copy state discrimination
In multi-copy state discrimination, qubit strategies beat bit strategies, but some bit-like operational theories outperform qubits even classically, revealing nonlocality without entanglement and providing general bounds.