论文标题
连续变量纠缠标准的一般类
General class of continuous variable entanglement criteria
论文作者
论文摘要
我们提出了连续变量系统的一般纠缠标准。我们的标准基于Husimi $ Q $分布，并允许对所有凹功能的集合进行优化，从而使它们极为通用和通用。我们表明，以特殊情况为例，获得了几个熵标准和第二刻标准。我们的标准揭示了未经任何常用标准未发现的国家家庭的纠缠，并在典型的实验限制下（例如有限的探测器解决方案和测量统计数据）提供了明显的优势。
We present a general class of entanglement criteria for continuous variable systems. Our criteria are based on the Husimi $Q$-distribution and allow for optimization over the set of all concave functions rendering them extremely general and versatile. We show that several entropic criteria and second moment criteria are obtained as special cases. Our criteria reveal entanglement of families of states undetected by any commonly used criteria and provide clear advantages under typical experimental constraints such as finite detector resolution and measurement statistics.
