On PPT States in KxMxN Composite Quantum Systems
classification
🪐 quant-ph
keywords
statesotimescanonicalcompositeconditionformgeneralkxmxn
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We study the general representations of positive partial transpose (PPT) states in ${\cal C}^K \otimes {\cal C}^M \otimes {\cal C}^N$. For the PPT states with rank-$N$ a canonical form is obtained, from which a sufficient separability condition is presented.
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