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·인용수 18
·2022
Relation between quantum coherence and quantum entanglement in quantum measurements
Ho-Joon Kim, Soojoon Lee
IF 2.9Physical review. A/Physical review, A
초록

Quantum measurement is a class of quantum channels that sends quantum states to classical states. We set up resource theories of quantum coherence and quantum entanglement for quantum measurements and find relations between them. For this, we conceive a relative entropy-type quantity to account for the quantum resources of quantum measurements. The quantum coherence of a quantum measurement can be converted into the entanglement in a bipartite quantum measurement through coherence nongenerating transformations. Conversely, a quantum entanglement monotone of quantum measurements induces a quantum coherence monotone of quantum measurements. Our results confirm that the understanding on the link between quantum coherence and quantum entanglement is valid even for quantum measurements which do not generate any quantum resource.

키워드
Quantum discordQuantum entanglementQuantum mechanicsAmplitude damping channelQuantum technologyPhysicsQuantum sensorQuantum networkQuantum capacityQuantum channel
타입
article
IF / 인용수
2.9 / 18
게재 연도
2022

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