. . . . "In quantum mechanics, negativity is a measure of quantum entanglement which is easy to compute. It is a measure deriving from the PPT criterion for separability. It has shown to be an entanglement monotone and hence a proper measure of entanglement."@en . . . . . . . "4228"^^ . . . . . "In quantum mechanics, negativity is a measure of quantum entanglement which is easy to compute. It is a measure deriving from the PPT criterion for separability. It has shown to be an entanglement monotone and hence a proper measure of entanglement."@en . "Negativit\u00E4t"@de . . . "1105083588"^^ . . . . . "35208985"^^ . . . . "Negativity (quantum mechanics)"@en . . "Die Negativit\u00E4t bezeichnet in der Quantenmechanik und Quanteninformatik ein einfach zu berechnendes Verschr\u00E4nkungsma\u00DF."@de . . . "Die Negativit\u00E4t bezeichnet in der Quantenmechanik und Quanteninformatik ein einfach zu berechnendes Verschr\u00E4nkungsma\u00DF."@de . .