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quant-ph2020★ 3 cited
Universal separability criterion for arbitrary density matrices from causal properties of separable and entangled quantum states
Gleb A. Skorobagatko
General physical background of Peres-Horodecki positive partial transpose (ppt-) separability criterion is revealed. Especially, the physical sense of partial transpose operation i…
quant-ph2019★ 5 cited
Restrictions on the existence of weak values in quantum mechanics: weak quantum evolution concept
Gleb A. Skorobagatko
It is shown, that the Aharonov-Albert-Vaidman concept of weak values appears to be a consequence of a more general quantum phenomenon of weak quantum evolution. Here the concept of…