Quantum information aspects of approximate position measurement
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Publication:6342333
DOI10.1007/S11128-021-03046-8arXiv2006.04383MaRDI QIDQ6342333
Author name not available (Why is that?), Alexander S. Holevo
Publication date: 8 June 2020
Abstract: We perform a quantum information analysis for multi-mode Gaussian approximate position measurements, underlying noisy homodyning in quantum optics. The "Gaussian maximizer" property is established for the entropy reduction of these measurements which provides explicit formulas for computations including their entanglement-assisted capacity. The case of one mode is discussed in detail.
Quantum measurement theory, state operations, state preparations (81P15) Quantum information, communication, networks (quantum-theoretic aspects) (81P45)
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