Disentanglement and inseparability correlation in a two-qubit system
Zheng-Wei Zhou, Guang‐Can Guo · Physical Review A · 2000
Starting from local universal isotropic disentanglement, a threshold inequality for reduction factors is proposed, which is necessary and sufficient for this type of disentanglement processes. Furthermore, we give the conditions realizing ideal disentanglement processes provided that some information on quantum states is known. In addition, based on a fully entangled fraction, a concept called inseparability correlation is presented. Some properties on inseparability correlation coefficient are studied.