期刊
PHYSICAL REVIEW A
卷 80, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.042314
关键词
information theory; quantum entanglement
资金
- Polish Ministry of Science and Higher Education [3004/B/H03/2007/33]
- Polish Research Network Laboratory of Physical Foundations of Information Processing
It is shown that entanglement witnesses constructed via the family of spectral conditions are decomposable, i.e., cannot be used to detect bound entanglement. It supports several observations that bound entanglement reveals highly nonspectral features.
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