# Some properties of the computable cross-norm criterion for separability

@article{Rudolph2003SomePO,
title={Some properties of the computable cross-norm criterion for separability},
author={Oliver Rudolph},
journal={Physical Review A},
year={2003},
volume={67},
pages={032312}
}
The computable cross-norm (CCN) criterion is a powerful analytical and computable separability criterion for bipartite quantum states, which is also known to systematically detect bound entanglement. In certain aspects this criterion complements the well-known Peres positive partial transpose (PPT) criterion. In the present paper we study important analytical properties of the CCN criterion. We show that in contrast to the PPT criterion it is not sufficient in dimension \$2\ifmmode\times\else… Expand
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