Multiparticle Entanglement Resolution Analyzer based on Quantum-Control-Assisted Uncertainty Relation
arXiv:1901.11245 · doi:10.1002/andp.202100014
Abstract
We construct a quantum-control-assisted multi-observable variance-based uncertainty relation, and the uncertainty relation obtained indicates that we can prepare a quantum state, in which the measurement results of any observables can be predicted precisely with the help of quantum control and entanglement resource. The new variance-based uncertainty relation provides a concept of "multiparticle entanglement resolution lines" for multiparticle entangled pure states, that can delineate different multiparticle entanglement classes, and thus it can be considered as an analyzer of multiparticle entanglement classes. The analyzer is used to identify different multiparticle entanglement classes with a suitable number of incompatible measurements, without a complete knowledge of the quantum state.
arXiv comment6 pages, 3 figures, any comments are welcome
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