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首页> 外文期刊>Physical Review, A >Nonclassicality and entanglement criteria for bipartite optical fields characterized by quadratic detectors
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Nonclassicality and entanglement criteria for bipartite optical fields characterized by quadratic detectors

机译：二分辨率特征的二分辨率光学字段的非计算和缠结标准

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摘要

Numerous inequalities involving moments of integrated intensities and revealing nonclassicality and entanglement in bipartite optical fields are derived using the majorization theory, nonnegative polynomials, the matrix approach, and the Cauchy-Schwarz inequality. Different approaches for deriving these inequalities are compared. Using the experimental photocount histogram generated by a weak noisy twin beam monitored by a photon-number-resolving intensified CCD camera, the performance of the derived inequalities is compared. A basic set of 10 inequalities suitable for monitoring entanglement of a twin beam is suggested. Inequalities involving moments of photocounts (photon numbers) as well as some containing directly the elements of photocount (photon-number) distributions are also discussed as a tool for revealing nonclassicality.
机译：使用大大化理论，非负多项式，矩阵方法和Cauchy-Schwarz不平等来导出涉及二分光场中的综合强度和揭示非分化和缠结的许多不等式。 比较了导出这些不等式的不同方法。 使用由由光子数分辨加强CCD摄像机监测的弱噪声双束产生的实验光ount直方图，比较了衍生的不等式的性能。 建议，适用于监测双光束缠结的基本10个不等式。 涉及光ounts（光子数）的时刻的不等式以及一些包含光电图（光子数）分布的元件也被讨论为用于揭示非分化性的工具。

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  • 来源
    《Physical Review, A》 |2017年第2期|共15页
  • 作者

    Jan Pe?ina Jr.; Ievgen I. Arkhipov; Václav Michálek; Ond?ej Haderka;

  • 作者单位

    RCPTM Joint Laboratory of Optics of Palacky University and Institute of Physics of the Czech Academy of Sciences Faculty of Science Palacky University 17. listopadu 12 77146 Olomouc Czech Republic;

    RCPTM Joint Laboratory of Optics of Palacky University and Institute of Physics of the Czech Academy of Sciences Faculty of Science Palacky University 17. listopadu 12 77146 Olomouc Czech Republic;

    Institute of Physics of the Czech Academy of Sciences Joint Laboratory of Optics of Palacky University and Institute of Physics of CAS 17. listopadu 50a 77207 Olomouc Czech Republic;

    Institute of Physics of the Czech Academy of Sciences Joint Laboratory of Optics of Palacky University and Institute of Physics of CAS 17. listopadu 50a 77207 Olomouc Czech Republic;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 物理学;分子物理学、原子物理学;原子核物理学、高能物理学;光学;
  • 关键词

    Nonclassicality; entanglement; criteria;

    机译：非肤色性;纠缠;标准;

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