Characterization of PPT states and measures of entanglement
W. A. MajewskiT. MatsuokaM. Ohya
所有作者
W. A. MajewskiT. MatsuokaM. Ohya
文献摘要
A detailed characterization of PPT states, both in the Heisenberg and in the
Schr"odinger picture, is given. Measures of entanglement are defined and
discussed in details. Illustrative examples are provided.