"Purification and correlated measurements of bipartite mixed states"@cs . "Physical Review A" . "034304-1;034304-4" . "RIV/00216224:14330/02:00005503!RIV08-MSM-14330___" . . "14330" . "quantum information theory; entanglement; separability; factorability"@en . "Purification and correlated measurements of bipartite mixed states"@en . "Bouda, Jan" . . . . "We prove that all purifications of a nonfactorable state (i.e., the state that cannot be expressed in a form $\\rho_{AB}=\\rho_A\\otimes\\rho_B$) are entangled. We also show that for any bipartite state there exists a pair of measurements that are correlated on this state if and only if the state is nonfactorable."@en . "2"^^ . "661215" . "We prove that all purifications of a nonfactorable state (i.e., the state that cannot be expressed in a form $\\rho_{AB}=\\rho_A\\otimes\\rho_B$) are entangled. We also show that for any bipartite state there exists a pair of measurements that are correlated on this state if and only if the state is nonfactorable."@cs . "P(GA201/98/0369), Z(MSM 143300001)" . . "Bu\u017Eek, Vladim\u00EDr" . . "4"^^ . . "Purification and correlated measurements of bipartite mixed states"@cs . "2"^^ . "Purification and correlated measurements of bipartite mixed states"@en . "65" . . . . "Purification and correlated measurements of bipartite mixed states" . . . "Purification and correlated measurements of bipartite mixed states" . . "RIV/00216224:14330/02:00005503" . "1050-2947" . "[232DDE01284A]" . . "We prove that all purifications of a nonfactorable state (i.e., the state that cannot be expressed in a form $\\rho_{AB}=\\rho_A\\otimes\\rho_B$) are entangled. We also show that for any bipartite state there exists a pair of measurements that are correlated on this state if and only if the state is nonfactorable." . . . "03" . . . . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" .