Extreme points of the set of density matrices with positive partial transpose
classification
🪐 quant-ph
keywords
densityextremematricespartialpointspositivetransposealgorithm
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We present a necessary and sufficient condition for a finite dimensional density matrix to be an extreme point of the convex set of density matrices with positive partial transpose with respect to a subsystem. We also give an algorithm for finding such extreme points and illustrate this by some examples.
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