Adaptive work extraction from unknown pure qubits can reach O(polylog N) cumulative dissipation, an exponential improvement over the square-root scaling of tomography-based strategies.
Catalytic Coherence
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Quantum state-agnostic work extraction (almost) without dissipation
Adaptive work extraction from unknown pure qubits can reach O(polylog N) cumulative dissipation, an exponential improvement over the square-root scaling of tomography-based strategies.