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Quantum measurement of a system can change its mean energy, as well as entropy. A selective measurement (classical or quantum) can be used as a "Maxwell's demon" to power a single-temperature heat eng...
The locality problem of quantum measurements is considered in the framework of the algebraic approach. It is shown that contrary to the currently widespread opinion one can reconcile the mathematical ...
We consider the problem of improving noisy quantum measurements by suitable preprocessing
strategies making many noisy detectors equivalent to a single ideal detector. For observables per-taining to ...