首页> 外文期刊>Physical Review, A. Atomic, molecular, and optical physics >Separability criteria based on the realignment of density matrices and reduced density matrices
【24h】

Separability criteria based on the realignment of density matrices and reduced density matrices

机译:基于密度矩阵和简化密度矩阵的重新排列的可分离性标准

获取原文
获取原文并翻译 | 示例
           

摘要

By combining a parameterized Hermitian matrix, the realignment matrix of the bipartite density matrix, and the vectorization of its reduced density matrices, we present a family of separability criteria which are stronger than the computable cross-norm or realignment (CCNR) criterion. With linear contraction methods, the proposed criteria can be used to detect the multipartite entangled states that are biseparable under any bipartite partitions. Moreover, we show by examples that the presented multipartite separability criteria can be more efficient than the corresponding multipartite realignment criterion based on CCNR, multipartite correlation tensor criterion, and multipartite covariance matrix criterion.
机译:通过结合参数化的Hermitian矩阵,二分体密度矩阵的重新排列矩阵及其缩减密度矩阵的矢量化,我们提出了一系列可比性标准,这些标准比可计算的交叉范数或重新排列(CCNR)标准强。使用线性收缩方法,可以使用所提出的标准来检测在任何二分分区下可分离的多部分纠缠态。此外,我们通过示例表明,所提出的多部分可分离性标准可能比基于CCNR,多部分相关张量准则和多部分协方差矩阵准则的相应多部分重新对齐准则更有效。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号