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Quantifying Process Nonclassicality in Bosonic Fields
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DOI：10.1088/0256-307X/36/10/104203.png)
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摘要
En 中文
Nonclassicality of optical states, as a key characteristic of bosonic fields, is a valuable resource for quantum information processing. We investigate the generation of nonclassicality in quantum processes from a quantitative perspective, introduce three information-theoretic measures of nonclassicality for quantum-optical processes based on the Wigner-Yanase skew information and coherent states, and illustrate their physical significance through several well-known single-mode quantum processes.
Keyword:
NON-CLASSICALITY
COHERENT STATES
QUANTUM
PHOTON
SUPERPOSITION
DECOHERENCE
DISTANCE
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