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Seminar
FIELD Comp.Sciences:Information Science
DATE December 13 (Mon), 2021
TIME 14:00-16:00
PLACE Online
SPEAKER 김호준
HOST Kwon, Hyukjoon
INSTITUTE 경희대학교
TITLE Relation between Quantum Coherence and Entanglement in Quantum Measurements
ABSTRACT 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-non generating transformations. Conversely, a quantum entanglement monotone of quantum measurements induces a quantum coherence monotone of quantum measurement. Our results confirm that the intuition on the link between quantum coherence and quantum entanglement is valid even for quantum measurements.
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