Canonical Form and Separability of PPT States on Multiple Quantum Spaces
Xiao-Hong Wang, Shao-Ming Fei
Abstract
By using the "subtracting projectors" method in proving the separability of PPT states on multiple quantum spaces, we derive a canonical form of PPT states in K1 K2 ... Km N composite quantum systems with rank N, from which a sufficient separability condition for these states is presented.
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